If the pilot light goes out the thermopile cools no current is generated so no gas is supplied to either the pilot or the main burner.
Itt general controls pilot light.
At shellmrks our door is always open.
The numbers markings are 78330 b678809 1 2 psi glp.
General controls b 60 valve my understanding confirmed by testing is that the 750mv thermopile generates the current used to keep open both the b 60 pilot light valve and the main burner valve.
I m not sure how it works.
The gas port where the tube to the pilot light connects is between the two valves so that gas can flow to the pilot light as long as the first valve or safety valve is open.
Manual rotary reset model.
The two on the left are marked thermo and the two on the right are marked gen.
Different types of models for remote mounting or manual reset plug in type with four prong connector for direct mounting to valves.
I also notice that it has four terminals.
Pilot generator putting out 575 mv however gas valve won t open itt general controls b60 gas valve.
Itt general controls has safe lightning electrical contacting devices which provide automatic safety shut off of main line automatic gas valves.
36 universal thermocouple gas pilot light couple.
Have an old gravity furnace.
Single couple or pilot generator operated.
1960 s itt general control thermostat i have a general controls thermostat from the 1960 s and would like to replace it with a nest wifi thermostat or a ecobee3 wifi thermostat.
And we ll leave the light on for ya.
If the second valve or main valve is open it can also flow to the burner trays.
Both valves are operated by electromagnets.
The robertshaw 1820 series pilot uni kit models are designed to replace hard to find itt general pg9 type pilots.
I have the valve head off and looking under the diaphragm i don t see anything obvious.
How do i troubleshoot valve.
It is a 24 volt and i only use the heating side which has four screws for wiring v c f and h.
When the 575 mv is applied it opens the small vent tube to relieve pressure on the.
The sv311 series two way normally closed direct acting solenoid valves provide on off control of pilot gas flow in commercial and industrial combustion equipment applications.
What external or internal checks.
General controls pilot solenoid gas valves 15 psid max.
A special 1 4 tubing adaptor is typically provided with nut and ball sleeve.
4 port part pca52tl014l36.
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The millivolt valve it an itt general control.
Uni kits are available with and without a 32 810mm thermopile.
