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10
votes
3answers
10k views

Did the plumber hook up my water heater backwards?

I just had a plumber install a new 50 gallon water heater, but the cold water pipe is installed to the hot side (the left pipe when facing the front of the heater) and the hot water pipe is installed ...
4
votes
4answers
10k views

What could be causing my water heater inlet pipe to corrode?

There is corrosion forming on the inlet and TP valve connections to my water heater; the outlet seems to be fine. More specifically, the nipples are what is corroding. I have read the copper pipe ...
1
vote
3answers
863 views

Cannot figure out wiring of most basic Honeywell thermostat (heater only)

I live in an apartment with central heat. It's controlled by a round Honeywell thermostat. The heater ticks really loudly and annoyingly when it heats up and cools down (probably a topic for a ...
1
vote
1answer
684 views

Why is my electric wall heater slow to turn on and then quick to shut off?

I have a few electric wall heaters in my bathroom and laundry room made by Intertherm. They may be 30 years old. When you turn the dial to high, it takes 10 minutes or more before it actually turns ...
2
votes
2answers
2k views

How do I use this H/L/V Wiring?

I am replacing an OLD h/l/v with a BROAN 100HFL I DO NOT have a 12/2 and a 12/3 coming from the 3 switches on the wall. I DO have this, two 12/2 coming from the 3 switches AND another 12/2 that ran ...
3
votes
2answers
5k views

Water heater overflow outside drain pipe

My water heater's overflow outside drain pipe has been running hot water out of it non-stop. I turned the inflow water valve to the water heater off and the water stopped running. But what is ...
2
votes
1answer
2k views

How can I prevent heat loss through heater/air conditioner wall units?

HVAC experts out there... I live in Wisconsin and it gets mighty cold here! I have a condo with 2 wall units that are used for both air conditioning and heat. My heat bill in the cold winter months ...
3
votes
2answers
2k views

Trying to wire a 240v line-voltage thermostat

I am trying to replace my old 240v line-voltage thermostat with a modern version. The problem is that after wiring the new version in like the old it doesn't work. I have (2) 12-2 wires coming out of ...
4
votes
1answer
211 views

What's wrong with an electrical outlet that will power a lamp but not a space heater?

Thought my space heater had died when I plugged it in and it wouldn't turn on, not even the "on" indicator light, so I went out and bought a new one. When the new one wouldn't work either, I tested ...
2
votes
0answers
403 views

Why isn't my Empire heater getting any gas? [closed]

My Empire heater does not seem to be receiving any gas when I turn or press the pilot knob. I believe the gas is supposed to flow when you press the pilot knob to light the heater but nothing comes ...
4
votes
1answer
304 views

Hot air gun / paint stripper for melting plastic

I'm not sure if this is the right kind of question for this site, but I thought that people here are more likely to know the answer. I'm looking for a hot air gun in order to melt plastic - mostly ...
1
vote
2answers
2k views

How do I diagnose a thermostat and HVAC that intermittently doesn't respond?

My gas heater for the whole house does not follow the thermostat settings on some mornings. I have set it to 70 degrees at 6 am but now it is still 60 at 8 am. This happens weekly once or so and seems ...
3
votes
1answer
2k views

Where should I install a wall heater?

I have a house with no wall heater, and would like to install one. What criteria should I use to help me determine the best place for the heater? Is it better, for instance, to be on an inside wall? ...
5
votes
2answers
19k views

Should I use 12/2 or 12/3 to wire a 220V electric baseboard heater and thermostat?

When I bought my baseboard heaters, thermostats and 220V breakers I was advised to get 12/3 wire. When I attempted to install the heaters I found that the thermostats, heaters, and even breakers have ...
3
votes
2answers
166 views

What to do about furnace that's drawing gas odors into the room instead of heat?

I have a gas furnace. It was heating up the place fine and worked for years until the other day. All of a sudden it started drawing air that smelled like strong gas odors into the room rather than ...
1
vote
4answers
2k views

Gas heater not turn on, but fan-only still works when switched on from thermostat

my up-level heating system (gas heater) stopped working if the thermostat is at auto; fan can be on without warm air if switch the thermostat to ON from Aotu. Is this a thermostat problem or heat ...
1
vote
2answers
391 views

Installing a switch for a water heater's lower element

I'd like to install a switch for the lower element of my water heater. I haven't even looked inside the water heater yet, but I'm a little confused about what the best way to go about doing this ...