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2answers
694 views

Wifi Thermostat to Reznor Garage Heater. No “C” wire connection on terminal strip

I just had a 75000 btu Reznor UDAP garage heater installed. Can I run a "C" wire for a smart thermostat if I don't have a C connection on the terminal strip? There is a C connection on the circuit ...
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1answer
89 views

Water heater repair

I have an on demand water heater. I have 3x 40 amp breakers in sub pannel as that is what it calls for, but only a 100 amp in main panel feeding sub panel. Would this cause no hot water? The lights ...
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1answer
29 views

Powervent Water Heater Has Cold Air coming into Vent

I have just had a new powervent water heater installed by a licensed plumber. All looks well and runs well except the fact that there is a big draft coming back into the vent while the blower is not ...
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1answer
77 views

Turn off water heater as well during winter?

If I am going on vacation for an extended period during winter (it occasionally gets below freezing here), should I turn off water valve AND the gas water heater or just turn off the main water valve? ...
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1answer
136 views

Why would I have to continually reset my hot tubs heater?

Trying to determine if I have a heater issue or maybe a sensor problem. Heater works and heats up the 2000 Grandee hot tub, but every few days it stops working. If I turn if off at breakers for a few ...
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0answers
38 views

Tankless water heater - Electric issue

I have a AuqaPower Tankless water heater I installed myself 2 years ago. I used the old wire from old (tank) water heater and I ran a new wire for the 2nd place. It has worked great for 2 years and ...
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0answers
28 views

can I replace a gas wall furnace with a gas pot belly stove?

Wall furnace on interior wall with hotwater heater behind the wall. Burns open to air. Stoves I am seeing online require exhaust or be placed on exterior side wall. Am confused about my options. ...
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0answers
137 views

Replaced Thermostat, Furnace worked for 1 cycle now blows cold

Hello I just replaced my old White-Rodgers thermostat because it just wasn't working consistently (sometimes it would turn on the furnace, but mostly it wouldn't). I swapped it with a White-Rodgers ...
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0answers
181 views

Why won't my outdoor patio propane heater light?

No propane is coming out and we did replace the valve from the tank. Any idea why it will not light?
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0answers
60 views

My gas heater relief valve keeps blowing, is the circulator installed backwards?

So I had a contractor put in a new circulator last season. Its a honeywell PC3F. I tried turning my heater on for the first time this season and the relief valve blew. I tried replacing that and ...
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0answers
693 views

Do I need to add a protective layer to insulation for wall heater?

I am going to install a 4000 watt wall heater to an add on. It is the kind of wall heater that is seated in the wall. i also plan to install insulation in between my wall studs. there will be ...
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0answers
11 views

Heater in Attic Not Blowing Hot Air

I have a Central Environmental Systems Heater (Model No P-HBD13L04801B) in my attic that's about 25 years old. It recently stopped blowing hot air. When it's turned on, I can hear it "clicking" and ...
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0answers
54 views

Is it possible to have cold water in the hot water line without a water heater?

While building my home, my original plumber has cold water running through both hot and cold lines in absence of a water heater. Now that I'm ready to install a water heater, Im getting an inflow of ...
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0answers
35 views

Can a furnace safety limit switch with manual reset be changed out with an auto reset switch?

I have a Ruud natural gas furnace from 1987. Overall it works well. I've had my home warranty service send out an HVAC tech a couple times for the high limit switch needing to be reset. It's a manual ...
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0answers
24 views

Kenstar Jacuzzi Pressure Valve dripping every minute

I bought this Kenstar Jacuzzi 3 L instant water heater for the bathroom since I am going to be the only one using it and didn't need a bigger capacity than this. Post installation, I noticed that the ...
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0answers
46 views

Why is the water from my tankless water heater lukewarm?

My tankless water heater works but the water is lukewarm. We have a circulation pump . When we screw the top screw of the pump and cut on and off the cut off valve near pump, the hot water starts ...
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0answers
30 views

Water heater inlet leak

I just installed a new water heater and something I noticed has bugging me so I thought I would ask. When I installed the heater I obviously closed the inlet gate valve but when I disconnected the ...
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0answers
103 views

How should I wire this 3 switch box in my bathroom?

I have a 3 switch box and the bottom switch that controls the heater was broken so I replaced it and I can't remember how to wire it, tried 10-15 combinations and it still doesn't work, not sure how. ...
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0answers
141 views

Baseboard heater install from room to room?

I am looking to install 240v electric baseboard heaters which will be fed with 12-2 on 20 amp breakers. I did my amperage calculation 4000/240v = 16.6 amps. So with that said I can run all my heaters ...