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Heating Help: The Wall

The #1 Online Resource for HVAC Answers. Ask and answer questions about HVAC systems, both old and new.

Radiator ID

DAXQ_2 74 views 18 comments 0 points Most recent by Steamhead 2:01AMStrictly Steam
How to test which wire is R and W in a 2 wire only thermostat?

sh500 2.8K views 22 comments 0 points Most recent by EdTheHeaterMan 2:00AMThermostats and Controls
Heat Exchanger size

nate379 180 views 19 comments 0 points Most recent by hot_rod 1:50AMTHE MAIN WALL
Best metal for bushings for cast iron hot water radiators with steel pipes?

sixplex 236 views 36 comments 0 points Most recent by hot_rod 1:45AMTHE MAIN WALL
Honeywell Vision Pro issue

Garrett1972 127 views 20 comments 0 points Most recent by Steve214 1:40AMThermostats and Controls
Rebending old hepex ?

Dave Carpentier 115 views 6 comments 0 points Most recent by Dave Carpentier 1:28AMTHE MAIN WALL
Replace or Rebuild or Convert

Stardance 420 views 45 comments 0 points Most recent by Jamie Hall 1:08AMTHE MAIN WALL
Replacing loop seal on my return?

kacrejamReturns 300 views 24 comments 0 points Most recent by EBEBRATT-Ed 12:28AMStrictly Steam
Supply pipe to rad out of level

simon_skove 71 views 6 comments 0 points Most recent by mattmia2 October 15Strictly Steam
Vacuum system?

service_fitter502 366 views 49 comments 0 points Most recent by Steamhead October 15Strictly Steam
Strong Stack Effect in 5-Level Brownstone

singeram 60 views 6 comments 0 points Most recent by DCContrarian October 15THE MAIN WALL
The Battle for Air: Chimney vs Exhaust Fan, this weeks video

RayWohlfarth 730 views 4 comments 5 points Most recent by SteamHeat October 15THE MAIN WALL
Conversion of Oil-Fired Heating Systems to 100% Renewable Fuel

HeatingHelp.com 255 views 12 comments 2 points Most recent by Hot_water_fan October 15THE MAIN WALL
Old Vitodens 200 on the way out - New Vitodens 100 on it's way (in a week)

rosco 32 views 1 comment 0 points Most recent by GGross October 15Gas Heating
Oversized boiler freakout

capouch 609 views 20 comments 1 point Most recent by SHMA October 15THE MAIN WALL
Adventures in Pumping

HeatingHelp 339 views 5 comments 0 points Most recent by Jamie Hall October 15THE MAIN WALL
A.O.Smith BTH500A 300

Grallert 74 views 5 comments 0 points Most recent by Grallert October 15Plumbing
Air in Oil - Can the pump be bad?

NJeffro 638 views 90 comments 0 points Most recent by NJeffro October 15Oil Heating
Old 1955 boiler 3 zone with 3 pumps 1/2 copper in basement floor radiant and the same in attic

karter 207 views 10 comments 0 points Most recent by karter October 15Radiant Heating
Staple-up concerns after install

htsmi 211 views 14 comments 0 points Most recent by hot_rod October 15Radiant Heating
Where to locate Spirovent for hydronic boiler

JZETTY84 250 views 26 comments 0 points Most recent by hot_rod October 15Radiant Heating
Is It Too Cold Outside to Run My AC?

HeatingHelp 74 views 2 comments 0 points Most recent by retiredguy October 15THE MAIN WALL
TigerLoop instalation for Bio Fuel 100 rating

Prodiy1 356 views 13 comments 0 points Most recent by Prodiy1 October 15Oil Heating
Hold-off control for Burnham 206 gas boiler?

jesmed1 244 views 24 comments 0 points Most recent by 109A_5 October 15Gas Heating
IBC ramp speed selection ?

Dave Carpentier 28 views 1 comment 0 points Most recent by hot_rod October 15THE MAIN WALL
Hot Mop

Grallert 250 views 8 comments 0 points Most recent by hot_rod October 15Plumbing
Buderus Blueflame conversion to gas

billybob5 62 views 2 comments 0 points Most recent by EdTheHeaterMan October 15Gas Heating
Magic Chef EG5A150C60-11 fan bearing conundrum

capouch 81 views 7 comments 0 points Most recent by EBEBRATT-Ed October 15THE MAIN WALL
Who likes the TigerLoop Fuel deaerator

Poll EdTheHeaterMan 90 views 5 comments 0 points Most recent by EBEBRATT-Ed October 15Oil Heating
Water Hammering- One Pipe Gravity Return

Suchitapage 264 views 23 comments 0 points Most recent by mattmia2 October 14Strictly Steam
My keystoker KAA-4-1 boiler

leonz 226 views 16 comments 1 point Most recent by leonz October 14Biomass
Symmons Diverter Still Leaking

lindylex 770 views 19 comments 0 points Most recent by Wildlor67 October 14THE MAIN WALL
Stuck Aquastat

kcopp 92 views 7 comments 0 points Most recent by mattmia2 October 14THE MAIN WALL
IBC Boiler Error Code 5

HeatingHelp 1.6K views 6 comments 0 points Most recent by kcopp October 14THE MAIN WALL
Sterling GarageGuy Heater Control Board

BrennanU 2.1K views 6 comments 0 points Most recent by justuschickens October 14Thermostats and Controls
Boiler pressure slowly rising

samurainstein 169 views 10 comments 0 points Most recent by EdTheHeaterMan October 14Radiant Heating
Help with Furnace/Central air and Ecobee thermostat

ylomnstr 146 views 16 comments 0 points Most recent by pecmsg October 14Thermostats and Controls
Smart water shut offs - Has anyone installed them? Do they work? Are they worth it? etc.

jgg765 1K views 30 comments 0 points Most recent by ratio October 14Plumbing
Uponor HePex installation

JS41190 160 views 13 comments 0 points Most recent by Alan (California Radiant) Forbes October 14Radiant Heating
Powering a WIFI thermostat from a Burnham Steammax boiler

DaveEvans 68 views 9 comments 0 points Most recent by DaveEvans October 14Thermostats and Controls
sump pump back up system

zepfan 346 views 22 comments 0 points Most recent by ChrisJ October 14Plumbing
IBC SFC 199 heat exchanger

joea99 85 views 5 comments 0 points Most recent by kcopp October 13Gas Heating
2x Runtal UF-4-96 hydronic baseboard radiators, 8 ft, near Boston, local pickup

anotherpg 64 views 2 comments 0 points Most recent by Steamhead October 13Buy, Sell, Barter
Help Altering System with mixed Radiant and Baseboard

Robot_Tolstoy 84 views 5 comments 0 points Most recent by hot_rod October 13Radiant Heating
Dunkirk v. Williamson/Weil McClain

Steve_211 699 views 48 comments 0 points Most recent by Steve_211 October 13Strictly Steam
Viessmann wall hung condensing boiler giving repeated F1 errors. Flue gas temp high.

hottubbrad1 50 views 3 comments 0 points Most recent by GGross October 13THE MAIN WALL
Gas pipe sizing

nate379 190 views 18 comments 0 points Most recent by EBEBRATT-Ed October 13Gas Heating
Propress...this is leaking right?

FloMo201 321 views 14 comments 0 points Most recent by EBEBRATT-Ed October 13THE MAIN WALL
Follow-up Question about Makeup Air

Kungur 67 views 2 comments 0 points Most recent by EdTheHeaterMan October 13THE MAIN WALL
HTP EFTC 140W combi questions

Forge_Fixer88 66 views 7 comments 0 points Most recent by hot_rod October 12Gas Heating

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