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How do you take an old T8085 Chronotherm off the wall to replace it? I can't seem to find screws that hp;d ot tp the wall.

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This installation manual should be enough info for you to get it off the wall:

Posted on Nov 29, 2010


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1 Answer

How do I replace the battery in my Honeywell chronotherm III thermostat?

Pull the face plate evenly all the way around, it just snaps off the back plate screwed to the wall batteries are visible .

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How to replace a Water Heater Pressure Relief (TP) Valve

A conventional storage water heater has a small valve screwed into its tank that is designed to relieve built-up steam pressure if the water heater overheats--othewise, the pressure could cause the water heater to explode.

This valve has several names, including temperature and pressure relief valve, pressure relief valve, T&P valve, or--in its shortest form--TP valve. As TP valves get old, they can begin to drip or leak and may need to be replaced.
Though it is recommended that you periodically test this device by lifting its little lever to make sure it is working, doing this with an old valve can cause it to leak. With this in mind, be ready to shut off the water supply to the water heater and replace the TP valve if this happens when you test.
Here is how to replace a TP valve:
1. Shut off the cold water and gas or electricity coming to the water heater.
2. Drain the water from the tank until the water level is below the valve. To do this, run hot water at any faucet, shower, or bathtub.
3. Raise the lever on the valve to release any excess pressure. Loosen the valve by turning it counter-clockwise with a wrench, and then remove it slowly. If water begins to pour out, screw it back in and drain more water from the tank. Note: The water may be hot unless you've allowed time for it to cool!
4. Put pipe-thread tape on the threads of the TP valve and then screw it in, turning clockwise. Tighten it with a wrench.
5. Turn the cold water supply and gas or electricity back on and, for a gas water heater, relight the pilot light if necessary.

on Sep 03, 2010 | Heating & Cooling

1 Answer

Factory reset ftm symbol shows instead of hp symbol

Plug the supplied charger in to the TP and into the wall. Then hold the power button and the button at the bottom of the screen simultaneously. After about 10 - 15 seconds the TP reboots.

Apr 09, 2014 | HP Tablets & eReaders

1 Answer

How do I renove the cover so I can replace the batteries on a Braemar Chronotherm iv plus

is it a remote or is it conected to the wall. if its on the wall it has no batteries

Mar 22, 2011 | Honeywell Programmable Thermostat Heater

1 Answer

I HAVE A "honeywell chronotherm

Open the front panel, opens from the top, hinge at the bottom. You will see 2 Philips screws at the bottom at the "hinge" part. Unscrew them. Pull the thermostat from the wall by pulling off the top part. You need 3 AA batteries. You have 20-30 sec to change the battery without re-setting the program, so be prepared and have batteries handy. Make sure your + and - are in correct order- have a flashlight handy to see well. If you done it in time- you all set, if you are a bit late prepare to re-program according to your liking. You can re-program it while it is away from the wall, sitting in your chair! Instructions are on the inside panel, which you open All the best!

Nov 23, 2010 | Honeywell Power Humidifier: Furnace...

2 Answers

I have a very old manual Chronotherm thermostat.

No. The clock is just the set back timer. Pull the battery and use the stat manually.

Jan 26, 2010 | Honeywell Electronic Programmable...

1 Answer

I have a Honeywell Chronotherm III Thermostat and in instead of showing the temparature in the display it shows -AC. I've replaced the batteries, and tryied adjusting Temp up and down for cooling and...

It would appear to me that you have lost the 24 volt power supply to the thermostat. In referencing the manuals for this thermostat, available @, I've found that when the thermostat is not connected to the wall plate (plate mounted on the wall, that the thermostat either snaps or screws into), it will display the -AC. This being said, either the thermostat is loose on the wall currently, or your 24 volt transformer has died. Hope this helps.

Dec 23, 2009 | Honeywell Power Humidifier: Furnace...

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Mini pci wireless card incobatibility on HP compaq nx9020 LapT

Seems to be self-explanatory... The card is either not inserted properly, defective, or not compatible. Check that it is inserted completely and locked or screwed in the down position.

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Williams wall non-elec gas heater. Black copper wire tagged thermostat?

First make sure this is a heater set up for a remote mounted thermostat. If so, the gas valve has 3 screws labeled TH (thermostat) and TP (thermopile) that's the flame sensor with 2 wires coming off it, I don't know where the goofy name comes from. there will be one screw that has both, usually the top one. Wire accordingly. The new valves have a solenoid on the bottom. this connects to the high temp. sensor up top. It has 2 wires on it, one connects to the thermostat wire, the other goes to the screw with TH and TP. Or you can skip it and connect the wire from the back of the valve to the Th and TP screw. Make sure the thermostat wires aren't pinched somewhere, thus eliminating the thermostats control.

Feb 23, 2008 | Heating & Cooling

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