YOUR FURNACE Should you ever suspect a malfunction in your furnace, you will need to turn the furnace off. The following proce-dures must be followed: 1. Set your room thermostat to the lowest temperature setting. (See Fig. 20.) 2. Close the external manual gas valve. (See Fig. 8 on page 4.) 3. Turn OFF the electrical supply to your furnace ... 129099-BUM-J-0112 HOW YOUR GAS FURNACE WORKS SAFETY INFORMATION Your furnace is a very easy appliance to take for granted. Season after Read the Instructions Below Before Trying to Start the season, it sits there in your home, keeping you warm and comfortable. Furnace For this reason, you may never have given much thought to the way &WARNING...
Dec 17, 2018 · If the pilot light goes out, you can relight it after the gas is shut off using a match or the unit's electronic ignitor if it has one, following the proper safety precautions. If your gas is shut... Oct 13, 2014 · I bought the YTH8320ZW1007 Honeywell earlier this summer and it worked like a charm all summer. AC bills were low, I could control it remotely, etc. Now it’s getting cold and I tried switching to heat. The thermostat just continues to cycle and restart, trying to kick the unit on but nothing happens. It’s stuck in “wait” or “pending heat” forever. I’ve checked the furnace and it ... I have not touched mine in any way, just been doing watchful observation until I have (and now do have) new valve in hand. When utilities came to check gas pressure, my gas was shut off and meter opened for half hour or so. When I relit the heater, it started up just fine and went into the normal 1-flash mode and still is, a day later.
bryant furnace 340aav. bryant condensing gas furnace user's information manual model 340aav, 350aav, 352aav, 355aav Gas Venting Basics Most homeowners are aware of the need for chimney cleaning and inspection if they own a wood-burning stove or regularly use their fireplace, but many don't realize that a gas heating appliance-whether it is a furnace, boiler or even a hot water heater-also relies on the chimney for proper venting of the exhaust.
The furnace is a Concord 90% Efficient, gas fired, forced hot air unit with a White-Rodgers mercury switch thermostat, 5 years old. When the system is working, the thermostat does keep the house properly conditioned. Moving the temp control makes no difference, ONLY toggling the on/off switch on the thermostat will kick on the furnace.