Technical Information

G2 & G3 Gas Technician Exams

Started by Admin

Replies: 11
Views: 41,721

March 28, 2022, 03:57:54 PM
by Admin

Free Online Training (Beta)

Started by tenletters

Replies: 2
Views: 7,046

October 10, 2021, 08:06:41 AM
by simonkc

313D Residential Air Conditioning Systems Mechanic Exam

Started by Admin

Replies: 31
Views: 90,696

March 13, 2020, 12:40:40 PM
by Leohvac

Free HVAC Exam

Started by Admin

Replies: 3
Views: 13,042

April 08, 2017, 08:41:49 AM
by Porcupinepuffer

Pro Tech Membership

Started by Admin

Replies: 0
Views: 7,952

March 13, 2016, 01:46:33 PM
by Admin

WWW.HVACTECHGROUP.COM

Started by Admin

Replies: 0
Views: 14,663

March 13, 2010, 05:08:14 PM
by Admin

Private Heat Exchanger Gallery

Started by Admin

Replies: 0
Views: 23,593

December 14, 2008, 11:23:00 AM
by Admin

B149.1 Code Infractions

Started by Admin

Replies: 0
Views: 14,501

June 17, 2007, 10:45:31 PM
by Admin

Venting of appliances

Started by deep

Replies: 2
Views: 32

June 28, 2022, 10:08:31 AM
by samihabib

G3 Challenge

Started by KanataHVACApprentice

Replies: 4
Views: 54

June 14, 2022, 05:27:21 PM
by KanataHVACApprentice

AC wiring and breaker sizing

Started by Admin

Replies: 6
Views: 11,044

April 24, 2022, 09:22:21 PM
by Admin

Heat pump selection

Started by harshal

Replies: 3
Views: 201

March 12, 2022, 09:29:57 AM
by scarey8

Giant and Gemco natural gas and propane water heaters recalled due to potential

Started by Admin

Replies: 0
Views: 234

January 29, 2022, 04:22:53 PM
by Admin

VanEE air exchanger

Started by mooredd

Replies: 0
Views: 276

January 23, 2022, 01:18:02 PM
by mooredd

Goodman Recalls Evaporator Coil Drain Pans due to Fire Hazard

Started by Admin

Replies: 0
Views: 445

November 24, 2021, 04:54:55 PM
by Admin

126-HIGH HEAT CYCLE ACTIVE Carrier 59MN7A060V171214

Started by rminoak

Replies: 2
Views: 2,508

November 16, 2021, 03:24:16 PM
by rminoak

Venting my crawl space

Started by gmacfarlane

Replies: 0
Views: 492

October 30, 2021, 12:07:56 PM
by gmacfarlane

Balancing a vanEE HRV

Started by gmacfarlane

Replies: 6
Views: 597

October 28, 2021, 02:40:42 PM
by gmacfarlane

Lifebreath RNC 200 blinking LED

Started by Big Onions

Replies: 3
Views: 564

October 27, 2021, 05:12:25 PM
by Admin

Using old B-vent pipe as exhaust for Heat Recovery Ventilator

Started by dsquare1

Replies: 2
Views: 675

September 05, 2021, 11:19:20 AM
by dsquare1

the b vent or liner size for Hwt

Started by hmmbm

Replies: 2
Views: 520

September 05, 2021, 09:32:00 AM
by Admin

CO readings in hot water

Started by Admin

Replies: 2
Views: 786

July 22, 2021, 04:15:21 AM
by Admin

Generalaire 3200 & 4200 Humidifiers Product Bulletin

Started by Admin

Replies: 0
Views: 791

May 19, 2021, 03:18:02 PM
by Admin

Exterior propane lines

Started by Hgye

Replies: 4
Views: 942

May 03, 2021, 09:09:37 PM
by theclick

Fire dampers

Started by JHS

Replies: 1
Views: 697

May 02, 2021, 08:50:21 AM
by Admin

313A air conditioning and refrigeration prep exam

Started by Sam1970

Replies: 2
Views: 1,176

April 30, 2021, 09:49:32 PM
by Pindu

Tubing through flooring

Started by Samjohn

Replies: 4
Views: 943

April 24, 2021, 07:35:09 AM
by Samjohn

How to Heat/Cool indoor pool house

Started by samihabib

Replies: 1
Views: 764

April 09, 2021, 02:28:49 PM
by rmuntz

Enbridge Validation Form

Started by Admin

Replies: 8
Views: 1,620

April 07, 2021, 05:53:09 PM
by Attavior

B149.1:20

Started by I’macreative

Replies: 5
Views: 1,309

March 16, 2021, 10:09:29 AM
by Admin

Furnace combustion air

Started by Hgye

Replies: 7
Views: 5,488

February 03, 2021, 06:51:21 AM
by Admin

R-134a

Started by kjthb

Replies: 4
Views: 1,138

January 26, 2021, 11:21:10 AM
by Porcupinepuffer

Fireplace Problem

Started by kjthb

Replies: 3
Views: 1,152

January 22, 2021, 11:15:57 AM
by kjthb

UV Lamps and COVID-19

Started by Admin

Replies: 1
Views: 982

January 10, 2021, 06:45:10 AM
by tenletters

GAS Appliance TSSA Registration

Started by kjthb

Replies: 0
Views: 814

January 07, 2021, 12:35:07 PM
by kjthb

Enbridge Contractor Bulletin - Warning Tags

Started by Admin

Replies: 14
Views: 6,212

December 18, 2020, 03:30:59 PM
by Admin

Water leaking from Condesate exhaust pipe outside of furnace??

Started by wantboost

Replies: 10
Views: 1,530

December 10, 2020, 05:02:55 PM
by wantboost

636 Glue Confusion

Started by Admin

Replies: 5
Views: 18,183

December 09, 2020, 12:33:50 PM
by rmuntz

Legal fitting?

Started by howitt

Replies: 12
Views: 10,161

December 03, 2020, 01:13:54 PM
by Admin

Training Resources While You're Off

Started by tenletters

Replies: 4
Views: 844

October 07, 2020, 10:35:46 PM
by wantboost

Kingsman and Marquis Skyline II/III Gas Fireplaces recalled due to fire hazard

Started by Admin

Replies: 0
Views: 1,168

October 03, 2020, 07:46:40 AM
by Admin

Lochinvar Condensing Gas Boilers recalled due to risk of carbon monoxide poisoni

Started by Admin

Replies: 0
Views: 984

October 03, 2020, 07:39:49 AM
by Admin

Valor H5 series fireplaces recalled due to laceration hazard

Started by Admin

Replies: 0
Views: 987

October 03, 2020, 07:32:38 AM
by Admin

Enbridge Bonding Bulletin & ESA Bulletin 10-14-9

Started by Admin

Replies: 2
Views: 1,413

September 23, 2020, 07:54:20 PM
by Admin

Disconnect Box - Working Space

Started by Admin

Replies: 1
Views: 1,651

June 13, 2020, 08:52:17 AM
by Hgye

CSST uses

Started by Samjohn

Replies: 22
Views: 4,014

May 14, 2020, 06:19:25 AM
by Samjohn

Gas Tags

Started by Fabristeel Ltd.

Replies: 1
Views: 1,646

April 21, 2020, 04:00:24 PM
by Admin

B149.1-15 Natural gas and propane installation code & FS-XXX-15 Amendments

Started by Admin

Replies: 16
Views: 30,612

March 05, 2020, 09:53:02 PM
by Admin

Lennox ductless single-zone and multi-zone heat pumps recalled for fire hazard

Started by Admin

Replies: 0
Views: 1,748

March 04, 2020, 10:03:36 AM
by Admin

Hydronic certified?

Started by howitt

Replies: 4
Views: 3,406

December 29, 2019, 09:11:03 AM
by scarey8

Levelling furnaces

Started by DaveP

Replies: 5
Views: 2,567

December 14, 2019, 09:55:41 AM
by Admin

Gas leak detector

Started by harshal

Replies: 2
Views: 1,793

November 28, 2019, 04:59:36 PM
by tenletters

Outdoor Intake - Clearance to Grade

Started by Admin

Replies: 2
Views: 1,821

November 23, 2019, 10:27:13 AM
by Admin

Fix for JCI wall mount thermostat ns-btb7001-0

Started by Old Sparky

Replies: 0
Views: 2,004

September 18, 2019, 07:46:20 AM
by Old Sparky

Viessmann Recall – Vitodens 200-W and 222-F Boiler: Carbon Monoxide Hazard

Started by Admin

Replies: 0
Views: 2,959

June 01, 2019, 11:02:50 AM
by Admin

Enbridge Relief Vent Clearance Bulletin

Started by Admin

Replies: 2
Views: 5,369

May 22, 2019, 04:57:33 PM
by Admin

Is the g3 and g2 practice exam still up to date?

Started by itssabdullah

Replies: 3
Views: 3,256

May 16, 2019, 05:48:13 PM
by chewy

Csst piping right off the meter

Started by Hvacpimp

Replies: 5
Views: 3,178

April 15, 2019, 02:37:09 PM
by NoDIY

A/c run times

Started by bsolc

Replies: 3
Views: 2,551

April 14, 2019, 11:18:01 PM
by Hvacpimp

Ottawa Hydro MCS0106 - New Rules Regarding Hydro Meter Clearances

Started by Admin

Replies: 1
Views: 2,898

April 14, 2019, 11:08:09 PM
by Hvacpimp

Install height

Started by bsolc

Replies: 1
Views: 2,367

April 01, 2019, 03:16:09 PM
by Admin

Quietest Power Vent Water Heater & Tankless mixing valve exemptions

Started by jborge

Replies: 9
Views: 4,452

March 28, 2019, 07:12:27 AM
by Admin

Commercial Heat Exchanger Repair

Started by viking

Replies: 3
Views: 2,460

March 27, 2019, 06:22:19 PM
by viking

2019 Ontario Rebates

Started by Admin

Replies: 1
Views: 2,482

March 21, 2019, 09:10:06 PM
by Frosty

Approved Certification Marks for Ontario/Canada

Started by Admin

Replies: 0
Views: 2,147

March 12, 2019, 06:44:50 PM
by Admin

How can chalenge the 308A Sheet metal License

Started by DAVID

Replies: 3
Views: 824

March 04, 2019, 08:32:43 PM
by howitt

Attach Air Intake to Old B-Vent

Started by dforsman

Replies: 3
Views: 2,776

March 04, 2019, 06:30:21 PM
by Admin

Bad HSI or board?

Started by Brad.B.

Replies: 10
Views: 3,885

February 17, 2019, 09:16:41 AM
by Porcupinepuffer

Goodman 1-stage gas valve switch intermittent

Started by Brad.B.

Replies: 0
Views: 2,114

February 09, 2019, 05:47:13 PM
by Brad.B.

Coleman Echelon CP9C100C16MP11 failing when fan switches speed mode

Started by ucph

Replies: 5
Views: 3,202

January 12, 2019, 02:14:21 PM
by Admin

Goodman Service Bulletin SF-082

Started by walker

Replies: 0
Views: 3,222

January 08, 2019, 01:23:29 PM
by walker

A. O. Smith Recalls 30-Gallon Gas Water Heaters Due to Fire Hazard

Started by Admin

Replies: 1
Views: 2,173

December 27, 2018, 10:02:22 AM
by bster352

Evap Coil Placement on Electric furnace

Started by scarey8

Replies: 6
Views: 10,992

December 21, 2018, 02:43:56 PM
by Admin

NY Thermal Inc. (NTI) recalls Trinity Tft Gas-Fired Hot Water Boilers

Started by Admin

Replies: 0
Views: 2,141

December 21, 2018, 11:17:07 AM
by Admin

A. O. Smith Recalls Ultra-Low NOx Water Heaters Due to Fire Hazard

Started by Admin

Replies: 0
Views: 2,091

December 21, 2018, 10:35:33 AM
by Admin

White-Rodgers Recalls Sensi Thermostats Due to Fire Hazard

Started by Admin

Replies: 0
Views: 2,128

December 21, 2018, 10:34:21 AM
by Admin

Miles Industries Recalls Gas Fireplaces Due to Burn Hazard

Started by Admin

Replies: 0
Views: 2,141

December 21, 2018, 10:33:08 AM
by Admin

Navien Recalls Tankless Water Heaters and Boilers Due to Risk of Carbon Monoxide

Started by Admin

Replies: 0
Views: 2,092

December 21, 2018, 10:31:54 AM
by Admin

Trane CHHB of 100-ton

Started by Buddyhughes

Replies: 1
Views: 2,502

December 05, 2018, 04:36:25 PM
by rmuntz

215/01 . G3 may clean a appliance? How to access burners without removing items?

Started by wantboost

Replies: 15
Views: 4,843

November 25, 2018, 10:50:14 PM
by Admin

Supreme Court ruling?

Started by howitt

Replies: 1
Views: 2,318

November 15, 2018, 08:23:45 PM
by Admin

Which meter serves who? I have no idea!

Started by Porcupinepuffer

Replies: 1
Views: 2,297

November 15, 2018, 02:33:22 PM
by Admin

Red tag

Started by Mmtc79

Replies: 6
Views: 2,999

November 09, 2018, 06:46:33 PM
by Mmtc79

Question about Appliance connectors in furnaces

Started by walker

Replies: 19
Views: 18,164

November 04, 2018, 06:47:47 PM
by Admin

Flexible Dryer Vent Transition

Started by Admin

Replies: 1
Views: 3,669

November 03, 2018, 05:18:43 PM
by Porcupinepuffer

Napoleon contential furnaces

Started by Mmtc79

Replies: 0
Views: 2,368

October 29, 2018, 09:11:48 PM
by Mmtc79

electrical wire in cold air return

Started by ck_chino

Replies: 1
Views: 5,086

October 23, 2018, 03:13:07 PM
by Admin

combustion test port

Started by 3450BB

Replies: 3
Views: 2,827

October 16, 2018, 02:23:31 PM
by Admin

Clearance from underside

Started by Mmtc79

Replies: 3
Views: 2,687

October 16, 2018, 09:55:39 AM
by Admin

ODP Tags

Started by tenletters

Replies: 4
Views: 4,025

September 22, 2018, 09:12:30 AM
by tenletters

B149.2-15 Propane storage and handling code & FS-XXX-15 Amendments

Started by Admin

Replies: 2
Views: 10,318

September 02, 2018, 11:03:36 PM
by Admin

Mechanical room in garage

Started by Hgye

Replies: 4
Views: 3,486

August 31, 2018, 01:36:27 PM
by Hgye

Rudd. Ugra-12erajs

Started by Stevebeachl

Replies: 2
Views: 2,376

August 18, 2018, 01:31:11 PM
by Stevebeachl

Failed Enbridge Inspection

Started by Porcupinepuffer

Replies: 6
Views: 3,522

August 12, 2018, 07:52:44 PM
by Hvacpimp

TSSA – Drip Pocket Requirements

Started by Admin

Replies: 13
Views: 13,115

August 07, 2018, 07:14:07 AM
by DaveP

Clause C.2.5

Started by Brad.B.

Replies: 4
Views: 3,139

July 28, 2018, 11:46:18 AM
by Admin

Pressure names

Started by Brad.B.

Replies: 3
Views: 2,934

July 15, 2018, 01:05:10 PM
by Brad.B.

Clause 8.14.8(e)

Started by Hgye

Replies: 4
Views: 2,838

July 11, 2018, 09:52:31 PM
by Hgye

Protection of Warehouse Unit Heaters from Damage B149 4.23

Started by McSpeedyPantsJr

Replies: 0
Views: 2,301

July 11, 2018, 09:49:06 AM
by McSpeedyPantsJr

gas piping sizing question

Started by dmfv

Replies: 9
Views: 12,232

July 08, 2018, 08:44:18 PM
by playatwork007

Oil tanks

Started by Hgye

Replies: 3
Views: 2,741

July 04, 2018, 09:04:11 PM
by slo-115

dryer exhaust vent distance from ground and surrounding windows and doors

Started by ck_chino

Replies: 3
Views: 7,045

June 15, 2018, 05:04:30 PM
by Admin

G1 G2 G3 Phase out

Started by thebulldog

Replies: 4
Views: 6,740

May 20, 2018, 08:41:52 PM
by Brad.B.

Looking for a study related information before sitting the redseal exam (BC)

Started by kane6789

Replies: 0
Views: 2,369

May 19, 2018, 09:48:59 AM
by kane6789

Leak down tests

Started by Hgye

Replies: 10
Views: 4,120

May 18, 2018, 04:46:23 PM
by Hgye

Outdoor Gas Shut-Off

Started by walker

Replies: 7
Views: 3,909

May 15, 2018, 02:02:20 PM
by bster352

belimo actuator testing

Started by mattmctree

Replies: 3
Views: 2,843

May 13, 2018, 07:23:25 AM
by kielsheister

Water Heater Plug

Started by Porcupinepuffer

Replies: 10
Views: 4,309

May 03, 2018, 03:40:15 PM
by Admin

Engineered air

Started by mattmctree

Replies: 4
Views: 3,244

April 29, 2018, 07:59:30 PM
by mattmctree

clearence to a gas meter.

Started by plott hound

Replies: 6
Views: 3,401

April 25, 2018, 09:31:12 AM
by bster352

Regency Model U39 & U37 Gas Stove Recall

Started by Admin

Replies: 0
Views: 2,576

April 23, 2018, 04:12:00 PM
by Admin

Boiler efficiency

Started by bster352

Replies: 2
Views: 2,728

April 17, 2018, 09:10:56 AM
by bster352

G1 license question

Started by plott hound

Replies: 7
Views: 4,283

March 29, 2018, 04:39:23 PM
by viking

MIXING VALVE on water heaters ( residential)

Started by hvactech83

Replies: 15
Views: 16,709

March 13, 2018, 08:38:20 PM
by tenletters

313 A certification hours

Started by harshal

Replies: 1
Views: 3,100

March 02, 2018, 06:24:33 PM
by Admin

Residential Annual Heating Bills Comparison Analysis - Ottawa 2018

Started by Admin

Replies: 1
Views: 2,754

January 05, 2018, 02:41:14 PM
by walker

Any Residential Heat Loss & Heat Gain Calculations Course Online?

Started by tenletters

Replies: 2
Views: 2,785

January 01, 2018, 06:21:45 PM
by tenletters

Propane Line Pressure Regulator

Started by Porcupinepuffer

Replies: 3
Views: 2,967

December 20, 2017, 04:55:15 AM
by Porcupinepuffer

garage heater venting

Started by plott hound

Replies: 5
Views: 4,310

December 16, 2017, 09:50:40 AM
by plott hound

pressure switch open and closed and open but not staying closed gmss921004

Started by old furnace man

Replies: 18
Views: 5,398

November 22, 2017, 07:06:00 PM
by walker

Unions: Code 6.14.4

Started by Porcupinepuffer

Replies: 4
Views: 4,094

November 14, 2017, 09:38:35 AM
by bster352

Filling out gas tag confusion

Started by Porcupinepuffer

Replies: 3
Views: 3,476

November 09, 2017, 08:34:52 AM
by NoDIY

Multiple meter identification

Started by bster352

Replies: 4
Views: 3,401

November 02, 2017, 05:18:16 PM
by Porcupinepuffer

Diamondback

Started by Mmtc79

Replies: 4
Views: 3,661

October 30, 2017, 05:55:29 PM
by NoDIY

Pressure Test Propane System

Started by walker

Replies: 9
Views: 4,388

October 29, 2017, 11:58:28 AM
by Admin

Enbridge Technical Documents

Started by Admin

Replies: 0
Views: 2,598

October 18, 2017, 10:11:21 AM
by Admin

Maximum threaded to welded after meter?

Started by howitt

Replies: 7
Views: 4,010

October 18, 2017, 06:45:41 AM
by Porcupinepuffer

Emergency generator shut off

Started by howitt

Replies: 4
Views: 3,232

October 17, 2017, 09:43:26 AM
by Attavior

Furnace and rooftop servicing and safties

Started by mattmctree

Replies: 2
Views: 2,915

October 16, 2017, 12:04:04 PM
by rmuntz

6.18.3.2

Started by Attavior

Replies: 4
Views: 3,220

October 14, 2017, 09:25:45 PM
by Mmtc79

Gas tite and csst

Started by mattmctree

Replies: 1
Views: 3,281

October 13, 2017, 07:36:50 PM
by Admin

Safety testing on equipment

Started by mattmctree

Replies: 3
Views: 2,924

October 12, 2017, 11:18:20 PM
by Mmtc79

Armstrong furnace pressure switch problems

Started by Mmtc79

Replies: 1
Views: 2,822

October 11, 2017, 09:13:53 AM
by bster352

Duct smoke alarms

Started by mattmctree

Replies: 2
Views: 2,887

October 11, 2017, 09:05:46 AM
by bster352

Insta Flame Gas Fireplace Model DV32RN

Started by Matatan

Replies: 3
Views: 4,386

October 09, 2017, 05:55:54 PM
by harshal

Unit heater in garage

Started by Mmtc79

Replies: 5
Views: 5,388

October 06, 2017, 06:35:53 PM
by Admin

7.27.1 ?

Started by Mmtc79

Replies: 9
Views: 5,222

October 06, 2017, 03:16:10 PM
by Mmtc79

OCOT Code of Ethics

Started by Admin

Replies: 0
Views: 2,810

October 04, 2017, 01:31:39 PM
by Admin

Gas Furnace Use for Construction Heat - May 1, 2017 Changes

Started by Admin

Replies: 2
Views: 4,171

October 04, 2017, 06:39:57 AM
by Admin

Clearance Confusion

Started by Admin

Replies: 9
Views: 14,365

October 02, 2017, 06:38:14 AM
by Admin

Purchasing gas and oil code books ( B149.1 and B139 )

Started by FurnaceFellow1988

Replies: 2
Views: 3,412

October 01, 2017, 03:54:37 PM
by walker

Anyone have experience with the Toyotomi Oil Miser water heaters?

Started by Jutzi46

Replies: 0
Views: 2,457

September 22, 2017, 10:41:06 AM
by Jutzi46

Cast bonding requirement

Started by mattmctree

Replies: 1
Views: 2,810

September 22, 2017, 10:27:18 AM
by Jutzi46

Gas pipe painting can any one do it

Started by mattmctree

Replies: 1
Views: 2,490

September 22, 2017, 10:17:50 AM
by Jutzi46

Cutter for 636

Started by Mmtc79

Replies: 3
Views: 4,422

September 11, 2017, 02:29:22 PM
by bster352

Code 8.14.8 (d)

Started by Mmtc79

Replies: 3
Views: 4,278

September 07, 2017, 10:13:29 AM
by Admin

york 2 stage furnace question

Started by plott hound

Replies: 2
Views: 3,748

September 06, 2017, 03:24:22 PM
by plott hound

C.2.16 For Single Appliance Venting Applications

Started by DaveP

Replies: 2
Views: 3,100

July 14, 2017, 01:43:22 PM
by DaveP

Resources for learning about ductless splits?

Started by tenletters

Replies: 1
Views: 2,844

July 12, 2017, 11:21:22 AM
by rmuntz

Leak sealer

Started by mattmctree

Replies: 2
Views: 3,182

June 28, 2017, 09:06:50 AM
by rmuntz

standard temps and pressure

Started by mattmctree

Replies: 0
Views: 2,650

June 27, 2017, 01:50:45 PM
by mattmctree

guage connections on rooftop unit

Started by mattmctree

Replies: 3
Views: 3,279

June 25, 2017, 06:17:04 PM
by mattmctree

Fire Extinguishers

Started by Troyboy

Replies: 1
Views: 2,763

June 21, 2017, 04:42:08 AM
by Admin

source of ignition

Started by screech

Replies: 7
Views: 4,847

June 17, 2017, 03:19:35 PM
by screech

6.17.4

Started by Attavior

Replies: 2
Views: 3,299

June 03, 2017, 03:11:40 PM
by Attavior

Breaker Size

Started by walker

Replies: 3
Views: 3,925

May 28, 2017, 08:41:03 AM
by Porcupinepuffer

Outdoor DB and indoor WB

Started by tenletters

Replies: 1
Views: 3,335

May 25, 2017, 08:26:02 PM
by Saturatedpsi

optimize operation of AHU

Started by James Yang

Replies: 8
Views: 5,658

May 22, 2017, 11:32:28 AM
by James Yang

Pipe Sizing

Started by walker

Replies: 10
Views: 4,745

May 06, 2017, 04:50:13 PM
by walker

Bvent outside ?

Started by Gasguy79

Replies: 2
Views: 3,211

May 04, 2017, 02:36:24 PM
by bster352

Gas line

Started by harshal

Replies: 1
Views: 2,905

May 01, 2017, 02:27:10 PM
by Admin

Gas Copper

Started by Porcupinepuffer

Replies: 11
Views: 12,064

April 28, 2017, 11:44:21 AM
by Porcupinepuffer

B149.1-15 and B149.2-15 Amendments

Started by Marc Dempster

Replies: 6
Views: 5,908

April 14, 2017, 11:05:12 PM
by Admin

Multi Flex PERT Composite Pipe

Started by Admin

Replies: 8
Views: 5,721

April 13, 2017, 02:09:56 PM
by bster352

IPEX 636 Installation Guide - REVISED Jan 20, 2017

Started by Admin

Replies: 4
Views: 3,910

March 27, 2017, 01:20:52 PM
by Admin

vanEE 41600 wire connector location

Started by Dan594

Replies: 1
Views: 2,775

March 23, 2017, 05:23:16 PM
by Admin

Lennox modulating furnace

Started by harshal

Replies: 3
Views: 3,465

February 17, 2017, 04:48:17 AM
by Sergroum

question trouble shooting goodman propane furnace

Started by mattmctree

Replies: 12
Views: 6,363

February 17, 2017, 04:43:22 AM
by Sergroum

Furnace Switch Location

Started by Porcupinepuffer

Replies: 3
Views: 10,043

February 13, 2017, 02:06:58 PM
by Porcupinepuffer

dryer exaust

Started by oilman

Replies: 2
Views: 3,714

January 13, 2017, 09:54:24 PM
by oilman

Manual for Insta-Flame, Model DV34RN,

Started by RickandSharri

Replies: 2
Views: 10,647

January 03, 2017, 11:11:38 AM
by Admin

New Carrier & ICP 35" Condensing Furnace Pressure Switch Errors

Started by Admin

Replies: 18
Views: 16,204

December 24, 2016, 03:21:51 AM
by Sergroum

Beckett Cleancut Oil Pump Advisory

Started by Porcupinepuffer

Replies: 2
Views: 3,958

December 06, 2016, 11:06:05 AM
by rmuntz

Mind Boggling No Heat

Started by Ilija Atanackovich

Replies: 8
Views: 5,355

December 01, 2016, 06:35:32 PM
by Ilija Atanackovich

venting codes

Started by mattmctree

Replies: 1
Views: 3,692

November 03, 2016, 09:52:39 AM
by Admin

question about negative pressure

Started by mattmctree

Replies: 3
Views: 4,048

November 03, 2016, 09:32:32 AM
by mattmctree

Sidewall vent termination argument

Started by hottubbrad

Replies: 4
Views: 11,408

November 02, 2016, 05:49:49 PM
by Porcupinepuffer

Practice exam - Refrigeration Operator Class "B" Certification

Started by shawnpower1

Replies: 1
Views: 7,190

October 22, 2016, 10:12:04 AM
by Admin

Underground gas line installions and relief lines

Started by slo-115

Replies: 1
Views: 3,793

October 16, 2016, 02:24:31 PM
by Admin

American Standard recalls gas water heaters

Started by Admin

Replies: 0
Views: 3,125

October 16, 2016, 01:14:24 PM
by Admin

Orphaned hot water tanks

Started by Hgye

Replies: 2
Views: 4,232

October 15, 2016, 10:03:21 AM
by Admin

union in drop ceiling?

Started by howitt

Replies: 2
Views: 4,240

September 20, 2016, 04:16:50 PM
by Admin

Condensate Drains - PVC vs CPVC

Started by Shane

Replies: 2
Views: 6,251

September 14, 2016, 06:26:57 PM
by Porcupinepuffer

Montigo Fireplace

Started by G.P.

Replies: 4
Views: 7,424

September 11, 2016, 06:16:57 PM
by Stubbers

Sensing Bulb Placement Question

Started by Porcupinepuffer

Replies: 5
Views: 5,701

August 16, 2016, 04:13:37 PM
by harshal

writing a pressure gas test

Started by moenaboulsi

Replies: 5
Views: 14,999

August 11, 2016, 12:57:45 PM
by simon

Dryer vent in condos in Ontario, Canada?

Started by baconpotatos

Replies: 3
Views: 6,845

August 10, 2016, 09:26:57 AM
by Admin

Matching uncased coil for a Carrier 24aca418a0030010

Started by ATech

Replies: 6
Views: 5,152

August 02, 2016, 07:48:25 PM
by walker

High pressure leak

Started by Porcupinepuffer

Replies: 3
Views: 3,930

August 02, 2016, 01:18:30 PM
by Admin

Keeprite c9mvx100l20a

Started by walker

Replies: 7
Views: 5,421

July 31, 2016, 07:32:19 PM
by piru

Thermostat

Started by Hgye

Replies: 2
Views: 3,955

July 18, 2016, 07:11:06 PM
by Hgye

EE eng. advice pls on furnace blower OEM replacement

Started by Steve_S

Replies: 2
Views: 3,896

July 18, 2016, 05:02:17 PM
by slo-115

outdoor shut off valve

Started by harshal

Replies: 1
Views: 4,122

July 14, 2016, 10:43:21 AM
by bster352

Peaksaver

Started by walker

Replies: 4
Views: 4,350

June 27, 2016, 04:43:23 PM
by Admin

wiring an hrv for low speed with furnace fan

Started by oldguy2

Replies: 2
Views: 5,470

June 14, 2016, 05:10:42 PM
by oldguy2

Clause 6.12.2 - 1" Unthreaded Pipe Inspection Rejections

Started by Admin

Replies: 3
Views: 5,190

May 25, 2016, 09:51:16 PM
by Attavior

Can a 313D wire the furnace without TSSA certification?

Started by Admin

Replies: 0
Views: 3,936

May 20, 2016, 02:28:18 PM
by Admin

Exam Content

Started by kaos

Replies: 2
Views: 4,355

May 05, 2016, 05:37:58 PM
by rmuntz

Crack Heat Exchanger in Roof Top Unit

Started by Mechanical Contractor

Replies: 2
Views: 5,409

April 27, 2016, 07:58:30 AM
by Mechanical Contractor

Double wrapping gas pipe into building

Started by Hgye

Replies: 5
Views: 7,691

March 03, 2016, 12:47:35 PM
by Admin