Honeywell Focus 6300B 5-2 Days Programmable Thermostat Heater "old" Questions

I have a very old floor funace. Peobably around 45 years old. There's know fan, just induction gas heat chambers with a grate on top. The unit stopped working when the HVAC guy changed the ...

I have an old godman furnace GPM050-3 nedd to replace the circuit board, I allready got a new janitrol circuit board, but looks different, I need instructions on how to replace that Look on the new ...

Condensation running down old vent pipe running to roof. Vent pipe from old furnace was left in and the new PVC pipe has been run up through it . We are getting condensation running down the old metal

How old is my Rinnai Convector 516 TR? Trying to make an insurance claim for power surge damage to my Rinnai Convector. Must be less than 10 years old to claim. Can't remember when purchased. Can you ...

changing out old thermostat I have an old white rodgers thermostat and putting in a programable RTH7000 series from Honeywell. My old one has A wire and new one does not. Where would that go or is it ...

...to properly install plenum limit switch how to properly install plenum limit switch If this is the old style limit/fan switch. Turn power off remove the wires and label where they got disconnected ...

I have a very old manual Chronotherm thermostat. I have a very old manual Honeywell Chronotherm thermostat. The clock stopped and when I replaced the battery it now runs ridiculously fast. I really ...

how do i change an old style honeywell room stat how do i change an old style honeywell room stat to a horstmann digital unit Shut the furnace off for starters. Remove the old Thermostat. As you ...

Help - I am trying to install a honeywell RLV4300A I have removed my existing old thermostat. Into the old thermostat there are 2 white wires and 1 black wire (from the old therm.) connected. Then ...

Hi! We have a really old williamson thermostat (not sure about the model but it says t87fi89i 2 8047 [dont know if it's i or 1 either]). We want to replace it with a honeywell t87n east-to-see ...