Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater "2 port valve wiring" Questions

port valve in my CH/hot water systemis not working I have a Honeywell motorised valve in my CH/hot water system. I dont think it is working as it does not move and there is no resistance in the lever.

...2 wires? I am working on a "made for Montgomery Wards" wall furnace for some elderly people. Pilot light is working however the burners never kick on. Suspected the thermal coupler, so purchased one ...

...This should be a 4-step cycle, #1, vent fan turns on.... #2 the pilot lites ups.... #3 the gas valve sends gas to the gas ports to heat up the box...& #4 the main fan should comes on!T Y V M

...2 minuites the gas valve closed. I also disconnected all but one of the roll out switches and bypassed the rest and the same problem occured. I tried this with each of the 3 switches directly ...

...2 & 3 start ups for a few weeks but it has always started the burners. Be sure that that PVC vent pipe going outside is not plugged or trapped with water. If the vent pressure switch is not ...

...2 blinks is. I am sending you a sequence of operation to help you to diagnose what could be the issue, read on. On a call for heat, the 24 volt thermostat sends a signal to the control module. The ...

...2 years older and will not fire. On a call for heat, the 24 volt thermostat sends a signal to the control module. The control module will indicate a call for heat with a light on the control either ...

...valve but not fully. Check to see if you can light it manually. If the unit lights manually but not with igniter, service or replace igniter switch. Ensure that there is no air in the gas line. Open ...

port and snap the button. You should see a blue spark. This is where your pilot assembly is.If there is no spark, your sparker is broke. You will have to use a ling match or gas grill starter to light

...2 bdrm condo cold. It did this last year, and all we had to do was change the filter. I did that this time and it did nothing. Is there something I can do? Sounds like a flame sensor issue. It may ...