HVAC Help

Hvac student in need of some help

Started by muffinman540

Replies: 5
Views: 5,796

March 22, 2017, 09:56:22 AM
by Porcupinepuffer

Making a website.

Started by WHarris

Replies: 1
Views: 4,399

March 21, 2017, 10:02:13 PM
by Admin

Gas " check meter" where to buy

Started by Viperi

Replies: 2
Views: 4,973

March 15, 2017, 08:38:02 AM
by Viperi

Blower keeps running but burners shut off during call for heat

Started by mir

Replies: 3
Views: 5,181

March 13, 2017, 01:14:10 PM
by Admin

new built HVAC generated big noise but HVAC company refused to fix

Started by zhen

Replies: 1
Views: 4,417

March 11, 2017, 10:17:58 PM
by Viperi

Storage tank for tankless

Started by walker

Replies: 6
Views: 5,730

March 11, 2017, 08:40:46 PM
by walker

residential boiler license?

Started by Viperi

Replies: 4
Views: 4,901

March 01, 2017, 12:46:06 PM
by Viperi

Help GeneralAir Humidifier 900CSW Wiring

Started by tdibratt

Replies: 6
Views: 7,191

February 24, 2017, 10:11:45 AM
by Admin

A Carrier TP6 80k BTU furnace's fan

Started by Sergroum

Replies: 9
Views: 8,313

February 08, 2017, 04:29:06 PM
by Porcupinepuffer

ITA 400 oil heater

Started by mrbean

Replies: 1
Views: 4,676

February 05, 2017, 07:50:48 PM
by Admin

Lifebreath 200 MAX damper motor

Started by dctaz37

Replies: 1
Views: 5,555

January 29, 2017, 09:13:40 PM
by Andre P

damper wont open on rnc155

Started by george

Replies: 2
Views: 5,213

January 29, 2017, 09:12:09 PM
by Andre P

aprilaire 600/700 vs honeywell humidifier

Started by wantboost

Replies: 5
Views: 11,779

January 29, 2017, 05:20:53 PM
by wantboost

Greentek PH 7.15 air exchanger not working

Started by hilsenteger

Replies: 4
Views: 10,362

January 27, 2017, 08:13:27 PM
by Admin

Gaas Furnace does not run.

Started by elchucko

Replies: 10
Views: 7,529

January 09, 2017, 12:01:38 PM
by elchucko

hrv balancing

Started by harshal

Replies: 1
Views: 4,595

January 05, 2017, 07:40:12 PM
by Admin

do I need a licensed helper

Started by screech

Replies: 5
Views: 6,628

January 04, 2017, 03:49:22 PM
by Admin

High Velocity

Started by Sergroum

Replies: 2
Views: 4,589

December 30, 2016, 09:33:05 PM
by walker

Heater exhaust - does this look correct?

Started by NR76

Replies: 11
Views: 8,689

December 29, 2016, 12:06:03 PM
by Sergroum

Running a C Wire from Thermostat to Furnace

Started by 77W

Replies: 6
Views: 8,295

December 24, 2016, 11:35:39 AM
by Admin

York PM9B12N060UP11A Tech support could not assist

Started by ainsworthCA

Replies: 1
Views: 6,637

December 24, 2016, 02:59:28 AM
by Sergroum

On Call for Heat, Blower and Inducer running together, But No Fire and Flam

Started by Mechanical Contractor

Replies: 5
Views: 8,025

December 22, 2016, 08:39:16 PM
by ainsworthCA

HVAC 313A Challenge

Started by iqtidar hussain

Replies: 2
Views: 4,840

December 22, 2016, 08:36:34 PM
by ainsworthCA

Servicing Carrier Furnace

Started by youngtech

Replies: 4
Views: 5,137

December 22, 2016, 08:34:59 PM
by ainsworthCA

VanEE 90H damper problem?

Started by Konos

Replies: 0
Views: 5,305

December 11, 2016, 12:18:39 AM
by Konos

nest and hrv

Started by godfather55v

Replies: 3
Views: 18,465

November 30, 2016, 04:14:19 PM
by Admin

20-40-60 minutes timer switch

Started by TurboLed

Replies: 7
Views: 19,084

November 21, 2016, 08:39:18 AM
by TurboLed

replacing 9120 board with 9120BU

Started by danwood

Replies: 2
Views: 4,985

November 21, 2016, 04:53:35 AM
by danwood

Union fittings inside furnaces

Started by ze-hawn

Replies: 6
Views: 10,952

November 20, 2016, 01:00:35 PM
by Admin

Venting clearances help! Furnace, Tankless, HRV

Started by Viperi

Replies: 11
Views: 29,055

November 20, 2016, 10:30:24 AM
by Admin

No return air plenum. Gastite direct contact with ducting

Started by RYOUNVS

Replies: 3
Views: 6,268

November 20, 2016, 09:50:26 AM
by Admin

Thermostat rated for 60-70 VAC

Started by Sergroum

Replies: 2
Views: 4,352

November 18, 2016, 02:48:36 PM
by TurboLed

newmac wood /electric combo wiring 2 thermostats

Started by derrick

Replies: 0
Views: 4,191

November 17, 2016, 07:11:41 AM
by derrick

Vacuum reading

Started by hvactech83

Replies: 16
Views: 12,925

November 10, 2016, 05:04:45 AM
by Porcupinepuffer

313d Inquiry

Started by brett1321

Replies: 3
Views: 5,513

November 03, 2016, 01:34:33 PM
by rmuntz

wall furnace

Started by harshal

Replies: 2
Views: 4,227

October 31, 2016, 02:18:25 PM
by Porcupinepuffer

Wiring furance fan to HRV (Vanee 90H)

Started by AllenMuskoka

Replies: 1
Views: 16,038

October 27, 2016, 08:04:18 PM
by Admin

ICP C9MPV - Fan Always On - Control Board Question

Started by wantcoffee

Replies: 4
Views: 6,884

October 26, 2016, 09:31:48 AM
by wantcoffee

Drain pan drain

Started by plexman44

Replies: 2
Views: 5,086

October 24, 2016, 01:04:30 PM
by plexman44

Navien NCB-E - looking for some feedback

Started by ian99

Replies: 0
Views: 4,174

October 18, 2016, 09:36:44 AM
by ian99

Carrier Weathermaker 9200 Nat Gas - Inducer line plugging with water

Started by Rickson1

Replies: 1
Views: 4,978

October 16, 2016, 11:06:50 AM
by Sergroum

Ductwork in attic

Started by JunoMarion

Replies: 0
Views: 4,440

October 04, 2016, 04:20:39 PM
by JunoMarion

Low ambient control for central air

Started by Shane

Replies: 1
Views: 4,704

September 29, 2016, 11:12:25 AM
by rmuntz

furnace switch

Started by screech

Replies: 3
Views: 4,555

September 22, 2016, 09:17:17 PM
by Attavior

P traps with a sensor inside it?

Started by Sergroum

Replies: 2
Views: 4,910

September 13, 2016, 08:19:25 PM
by Sergroum

Can a 313d sign off hours for a 313d apprentice?

Started by subzero_hc

Replies: 1
Views: 5,096

September 11, 2016, 09:12:26 AM
by Porcupinepuffer

Empty system and oil contamination

Started by chris_h_k

Replies: 6
Views: 6,485

September 09, 2016, 06:12:58 PM
by walker

4 ton Goodman Heat pump

Started by man00

Replies: 3
Views: 5,992

September 02, 2016, 01:13:00 AM
by man00

Ductless Split Condensation Leaking Onto Wall...

Started by nash668

Replies: 2
Views: 4,579

August 30, 2016, 06:41:44 PM
by walker

Sizing of ac in new home

Started by harshal

Replies: 3
Views: 5,503

August 17, 2016, 05:43:21 AM
by bster352

Multiple HRV installation

Started by newHRVGuy

Replies: 2
Views: 5,197

August 16, 2016, 09:59:21 PM
by airtrackinc

Radiant Garage Heater -exhaust vent routing with elevated heater? CSA B149.1-15

Started by mike_scoby

Replies: 3
Views: 7,015

August 13, 2016, 08:05:09 PM
by Sergroum

propane regulator vent

Started by screech

Replies: 6
Views: 9,371

August 11, 2016, 05:37:54 PM
by Porcupinepuffer

A/C questions

Started by Xiaopig9

Replies: 12
Views: 9,357

July 26, 2016, 06:30:46 PM
by Xiaopig9

gsw water heater

Started by huronia combustion

Replies: 1
Views: 4,809

July 14, 2016, 10:00:48 PM
by walker

Hrv155 stopped working

Started by Dobco

Replies: 2
Views: 5,072

July 04, 2016, 09:30:58 PM
by Dobco

Clearance between furnace intake and any other exhuast

Started by vyasji

Replies: 5
Views: 12,923

June 27, 2016, 05:40:44 PM
by Admin

filter dryer

Started by john helsel

Replies: 2
Views: 4,582

June 22, 2016, 04:10:10 AM
by Porcupinepuffer

1 ton split system

Started by Sergroum

Replies: 7
Views: 7,151

June 09, 2016, 11:15:44 PM
by walker

Venmar 1.5es Constructo problems

Started by James547

Replies: 2
Views: 6,988

June 08, 2016, 01:07:00 PM
by Admin

sources of CO.

Started by Sergroum

Replies: 3
Views: 5,099

June 07, 2016, 08:56:16 PM
by Sergroum

problem with furnace fresh air intake termination.clearance to dryer vent

Started by scbor

Replies: 10
Views: 14,606

June 03, 2016, 03:25:46 PM
by Porcupinepuffer

Where can I buy fast-stat 3000 in Toronto?

Started by emmaps

Replies: 7
Views: 8,008

June 01, 2016, 10:16:23 PM
by emmaps

Combine Venting sizes

Started by Demon2

Replies: 4
Views: 6,333

May 25, 2016, 01:30:16 PM
by rmuntz

review/feedback for fast-stat product?

Started by emmaps

Replies: 0
Views: 4,709

May 25, 2016, 11:35:01 AM
by emmaps

Gas pipe in return duct

Started by harshal

Replies: 3
Views: 13,085

May 09, 2016, 07:08:12 AM
by Admin

313d exam question

Started by waleed

Replies: 2
Views: 5,254

May 05, 2016, 07:09:33 PM
by waleed

313d exam question

Started by preetnep

Replies: 2
Views: 7,785

May 05, 2016, 06:16:28 PM
by rmuntz

question about the bonding with the water heater

Started by hmmbm

Replies: 12
Views: 14,214

May 05, 2016, 06:11:17 PM
by rmuntz

Easton Generator

Started by gastech1

Replies: 1
Views: 5,120

May 02, 2016, 06:49:31 PM
by Admin

PSC speed taps

Started by Heisenberg

Replies: 1
Views: 5,189

April 24, 2016, 11:20:18 AM
by harshal

Wiring Question for Carrier Dual Fuel System

Started by JohnT3

Replies: 3
Views: 7,244

April 15, 2016, 01:01:25 PM
by Admin

where to installed an expansion loop?

Started by jimmy

Replies: 1
Views: 5,707

March 31, 2016, 11:43:45 PM
by airtrackinc

Csst through Floor joists?? Csst joints in ceiling?

Started by Viperi

Replies: 4
Views: 11,973

March 31, 2016, 07:20:59 AM
by bster352

Sidewall furnace vent

Started by miker

Replies: 5
Views: 8,410

March 30, 2016, 08:30:44 PM
by Admin

4 year old Carrier 58MVC w/ Infinity Control

Started by walker

Replies: 6
Views: 9,279

March 25, 2016, 05:57:43 PM
by walker

DC90 Ultra High Efficiency quit

Started by Curlybandit

Replies: 9
Views: 13,018

March 25, 2016, 05:42:59 PM
by Old HVACr

CANCELLATION FEE?

Started by RS

Replies: 2
Views: 5,662

March 01, 2016, 09:45:41 AM
by Admin

AC question

Started by piru

Replies: 3
Views: 5,702

February 19, 2016, 12:06:37 PM
by Admin

Question: 2 Pipe FCU with Integrated ERV - any cost difference?

Started by gerrymac306

Replies: 0
Views: 4,915

February 03, 2016, 01:29:48 PM
by gerrymac306

24 VAC Transformer Failure

Started by Fixer

Replies: 5
Views: 8,541

January 25, 2016, 04:49:15 PM
by Porcupinepuffer

Class 100 clean room ducting length

Started by Srinath

Replies: 0
Views: 4,694

January 21, 2016, 08:49:22 AM
by Srinath

Hrv new home construction

Started by oldguy2

Replies: 1
Views: 5,182

January 11, 2016, 08:45:30 PM
by Admin

Humidity and Humidifiers

Started by Sergroum

Replies: 2
Views: 4,834

January 10, 2016, 09:54:28 PM
by Sergroum

York RTU...

Started by nash668

Replies: 5
Views: 7,687

January 08, 2016, 08:58:37 PM
by Xiaopig9

Trane furnace

Started by Hgye

Replies: 7
Views: 6,598

January 08, 2016, 02:11:50 PM
by Admin

Gas furnace blower motor always on

Started by marquesjw

Replies: 2
Views: 5,505

December 16, 2015, 11:39:00 PM
by Sergroum

dryer furnace vent seperation code

Started by jeffr

Replies: 11
Views: 18,811

December 15, 2015, 11:44:10 AM
by Admin

Brazing Rods

Started by preetnep

Replies: 1
Views: 5,724

December 11, 2015, 10:10:38 AM
by Admin

Refrigerant before entering evap

Started by preetnep

Replies: 3
Views: 5,279

December 09, 2015, 02:39:36 PM
by Admin

wiring terminals for pot relays and current relays

Started by preetnep

Replies: 0
Views: 4,904

December 08, 2015, 08:56:20 PM
by preetnep

313 d question

Started by preetnep

Replies: 4
Views: 6,677

December 02, 2015, 09:51:39 AM
by preetnep

Atmospheric pressure

Started by preetnep

Replies: 2
Views: 5,264

December 01, 2015, 06:21:18 PM
by preetnep

Gfci

Started by preetnep

Replies: 3
Views: 5,036

December 01, 2015, 02:42:00 PM
by Admin

Electrical requirements for Heat Pump vs FCU.

Started by gerrymac306

Replies: 2
Views: 5,395

November 30, 2015, 04:08:56 PM
by gerrymac306

Control board for a Bryant 80 plus

Started by lovebc2

Replies: 1
Views: 5,523

November 29, 2015, 10:52:09 AM
by Admin

Logic behind Evaporator freeze up?

Started by janekyu

Replies: 5
Views: 7,138

November 29, 2015, 05:35:37 AM
by airtrackinc

AC Install distances

Started by nash668

Replies: 5
Views: 10,778

November 29, 2015, 05:29:09 AM
by airtrackinc

Compressor loading

Started by preetnep

Replies: 2
Views: 5,466

November 23, 2015, 06:09:45 PM
by preetnep

New High Efficiency Furnace Vents

Started by lymer

Replies: 8
Views: 7,615

November 16, 2015, 08:30:13 PM
by Admin

dryer conversion to lp

Started by mattmctree

Replies: 1
Views: 5,042

November 13, 2015, 10:57:22 AM
by bster352

How to add a remote temperature sensor

Started by Furf

Replies: 1
Views: 6,334

November 10, 2015, 07:40:46 AM
by scarey8

York model ZF04810N5AAA1A

Started by harshal

Replies: 0
Views: 4,790

October 31, 2015, 04:02:10 PM
by harshal

313 d practice question

Started by preetnep

Replies: 2
Views: 5,272

October 26, 2015, 07:53:12 PM
by preetnep

Lifebreath HRV

Started by faterdog

Replies: 0
Views: 5,000

October 25, 2015, 09:13:46 PM
by faterdog

Venting High Efficiency Condensating Furnace

Started by lymer

Replies: 7
Views: 7,286

October 25, 2015, 01:04:51 AM
by Sergroum

Heat calculation

Started by preetnep

Replies: 5
Views: 5,690

October 19, 2015, 11:45:55 PM
by walker

Is Replacing the Evaporator Really Necessary?

Started by curlyjag

Replies: 3
Views: 5,940

October 17, 2015, 06:39:43 PM
by walker

313 d exam code book

Started by preetnep

Replies: 1
Views: 5,511

October 14, 2015, 08:43:55 AM
by Admin

Heat Pump intermittent start-up issues

Started by Daniel

Replies: 3
Views: 6,716

September 28, 2015, 07:37:11 PM
by Trainerguy

Gas meter vent distance to bathroom exhaust fan

Started by Skrider

Replies: 10
Views: 14,424

September 26, 2015, 08:20:44 PM
by Rob867

VanEE help!

Started by Habsfan1

Replies: 5
Views: 22,461

September 24, 2015, 10:19:03 PM
by Habsfan1

Gas dryer vent

Started by harshal

Replies: 2
Views: 5,606

September 24, 2015, 07:31:48 PM
by Porcupinepuffer

Brazing Certificate

Started by steelseries

Replies: 2
Views: 8,310

August 27, 2015, 07:44:12 AM
by Porcupinepuffer

Dryer vent too close to furnace air intake

Started by EliG

Replies: 5
Views: 31,147

August 27, 2015, 07:35:20 AM
by Porcupinepuffer

Pierced the evaporator!

Started by Porcupinepuffer

Replies: 3
Views: 5,823

August 15, 2015, 08:27:00 AM
by Porcupinepuffer

Safgard M170 LWCO Probe stem leak

Started by zimme

Replies: 1
Views: 5,564

August 13, 2015, 04:36:32 PM
by Admin

No Return ducts from the floors & flex pipe for gas?

Started by zimme

Replies: 7
Views: 8,442

August 13, 2015, 04:31:53 PM
by Admin

Ductless System

Started by Sergroum

Replies: 5
Views: 7,428

August 05, 2015, 09:42:51 PM
by Sergroum

HRV question

Started by nash668

Replies: 1
Views: 6,038

July 27, 2015, 07:11:04 AM
by Admin

Changing a TXV with an equalizer line brazed into the pipe

Started by Sergroum

Replies: 2
Views: 6,228

July 22, 2015, 08:05:38 PM
by Sergroum

Pressure test (TSSA variance)

Started by NB

Replies: 2
Views: 6,531

July 21, 2015, 06:16:25 PM
by superquick63

AC air temp - inside the vent - hotter in one room vs. all others

Started by wizedup

Replies: 6
Views: 8,827

July 14, 2015, 08:02:15 PM
by wizedup

Size a boot for flex duct

Started by wizedup

Replies: 0
Views: 5,397

July 14, 2015, 03:58:24 PM
by wizedup

Refrigeration and Air conditioning books

Started by preetnep

Replies: 4
Views: 6,000

July 11, 2015, 10:02:04 PM
by preetnep

Short Circuiting

Started by thisislidk

Replies: 2
Views: 5,044

June 28, 2015, 06:36:28 PM
by thisislidk

Newly installed keeprite not calling for cool

Started by Sergroum

Replies: 3
Views: 5,307

June 28, 2015, 09:24:59 AM
by Trainerguy

Suction line condensating

Started by nash668

Replies: 1
Views: 5,379

June 08, 2015, 09:30:15 PM
by Sergroum

Oil Tank location near a drain

Started by 3450BB

Replies: 2
Views: 5,711

June 08, 2015, 06:23:18 PM
by 3450BB

A/C Troubleshoot

Started by walker

Replies: 8
Views: 8,716

June 04, 2015, 01:56:52 PM
by walker

Changing of Compressor. POE Oil, Wrong Refrigerant, Consequences.

Started by Sergroum

Replies: 2
Views: 5,768

May 24, 2015, 09:25:07 PM
by harshal

New Furnace/Central AC Quote

Started by jj3down

Replies: 2
Views: 5,173

May 19, 2015, 07:17:26 PM
by Admin

Central heater_white powder deposit-exhaust port; peeled paint in draft hood

Started by wizedup

Replies: 3
Views: 6,865

May 19, 2015, 06:50:11 PM
by Admin

York manual

Started by harshal

Replies: 3
Views: 5,707

May 19, 2015, 08:04:57 AM
by Trainerguy

Secondary Heating Problem on Daikin Duck Heat Pump

Started by ldeschenes

Replies: 3
Views: 6,110

May 18, 2015, 11:19:14 AM
by scarey8

Dryer Gas Valve Sticking?

Started by nash668

Replies: 1
Views: 5,813

May 07, 2015, 06:46:55 AM
by Admin

Sizing An AC

Started by nash668

Replies: 2
Views: 5,179

May 04, 2015, 06:28:31 PM
by nash668

Goodman Communicating System - What to set the dehum setpoint at?

Started by walker

Replies: 9
Views: 8,373

May 04, 2015, 05:29:16 PM
by walker

Can't get humidity to increase in house - Help!

Started by radar2000

Replies: 27
Views: 58,849

April 20, 2015, 03:41:36 PM
by Admin

New Tecumseh Compressor Seized

Started by 3450BB

Replies: 9
Views: 13,414

March 30, 2015, 10:48:42 PM
by 3450BB

Clocking a Gas meter

Started by Sergroum

Replies: 1
Views: 6,438

March 29, 2015, 10:15:42 PM
by walker

Manual Reset Flame Rollout switch is opening at the end of each heating cycle.

Started by Atlantician

Replies: 7
Views: 19,220

March 28, 2015, 11:23:15 PM
by 3450BB

re: evaporate coil access panel

Started by Fazzo

Replies: 2
Views: 5,807

March 28, 2015, 11:18:27 PM
by 3450BB

RE: UPDATED BULLETINS

Started by Fazzo

Replies: 0
Views: 5,052

March 24, 2015, 11:04:09 AM
by Fazzo

New Ductless install, what follows vacuum evacuation?

Started by Free Man

Replies: 2
Views: 6,156

March 15, 2015, 10:51:13 AM
by Free Man

expected voltage readings

Started by fisherman

Replies: 1
Views: 5,552

March 14, 2015, 01:38:18 PM
by Porcupinepuffer

313d

Started by adam89

Replies: 2
Views: 5,871

March 11, 2015, 07:08:11 PM
by walker

Soldering Copper to brass/alloy fittings

Started by walker

Replies: 5
Views: 6,394

March 07, 2015, 09:11:40 AM
by walker

True Manufacturing food prep table refrigeration issue

Started by 3450BB

Replies: 10
Views: 13,783

March 02, 2015, 06:52:54 PM
by viking

Sizing of humidifier/air conditioner

Started by harshal

Replies: 3
Views: 6,123

February 25, 2015, 12:24:39 AM
by harshal

transformer burning out

Started by stew

Replies: 6
Views: 26,666

February 24, 2015, 08:23:56 PM
by ScoutTBK

Humidity in new home

Started by danv

Replies: 2
Views: 6,392

February 24, 2015, 07:30:49 PM
by danv

My pilot ignites but won't light burners

Started by Nikki7732

Replies: 1
Views: 5,887

February 24, 2015, 05:42:19 PM
by Admin

Sizing a furnace.

Started by nash668

Replies: 7
Views: 7,800

February 16, 2015, 06:05:37 PM
by Admin

humidity control for new home construction

Started by oldguy2

Replies: 2
Views: 7,436

February 16, 2015, 04:54:24 PM
by walker

Thermostat wiring question for Carrier Furnace and AC

Started by DerekS

Replies: 10
Views: 32,496

February 14, 2015, 05:12:16 PM
by DerekS

Service Clearance

Started by viking

Replies: 4
Views: 9,287

February 13, 2015, 04:28:07 PM
by viking

Board/ Fuse Question?????

Started by MB905

Replies: 2
Views: 6,140

February 08, 2015, 11:53:13 AM
by MB905

What are you thoughts about Digital Scroll Compressor technology?

Started by mekaniko5

Replies: 2
Views: 7,203

January 28, 2015, 12:33:57 AM
by airtrackinc

Furnace motor oil ports

Started by Mikegee68

Replies: 4
Views: 5,894

January 23, 2015, 03:17:11 PM
by Mikegee68

Lifebreath 300DCS

Started by Pikanjoe

Replies: 1
Views: 5,500

January 12, 2015, 08:53:47 PM
by nash668

Lifebreath 155 Damper not moving

Started by Diabolic

Replies: 1
Views: 8,244

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December 30, 2014, 08:53:52 AM
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December 23, 2014, 02:47:04 PM
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December 21, 2014, 08:20:11 AM
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December 16, 2014, 08:23:37 PM
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December 13, 2014, 05:19:27 PM
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Views: 10,150

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May 23, 2014, 09:04:51 AM
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Views: 5,902

May 20, 2014, 05:18:36 PM
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Views: 12,230

April 15, 2014, 11:59:01 AM
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Replies: 4
Views: 10,825

April 10, 2014, 05:24:25 PM
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Views: 6,155

April 04, 2014, 05:32:24 AM
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Views: 8,216

March 30, 2014, 04:34:55 PM
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March 20, 2014, 09:25:20 PM
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