Spill switch installation for Honeywell WT8840 gas valve

Discussion in 'Water Heater Forum, Tanks' started by Frozen23, Nov 6, 2019.

  1. Frozen23

    Frozen23 New Member

    Joined:
    Dec 15, 2017
    Location:
    12590
    My plumbing inspector mentioned I need to install a spill switch over my AO Smith natural gas tank water heater exhaust vent. The water heater has WT8840 gas valve. I failed on searching info how to marry SSK-3 switch and WT8840 gas valve. Is there a wiring diagram? Because the one that comes with SSK-3 is useless proposing to use a junction block. I haven't found the thermocouple on the valve. Just ignition wire and 2 thermopile wires
     
    Last edited: Nov 6, 2019
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