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-   -   Replacing Honeywell VS8421D2003 Nat Gas valve (https://www.askmehelpdesk.com/showthread.php?t=415300)

  • Nov 12, 2009, 06:41 AM
    thetaxidad
    Replacing Honeywell VS8421D2003 Nat Gas valve
    I have a Pyromaster vent-free fireplace. The pilot light will light, but when I turn the gas valve to the "on" position, the pilot light shuts off. Any suggestions? The valve is a Honeywell VS8421D2003, Reg 3.5 Hi 1.7, 30 mV power unit. I have replaced nothing so far.
  • Nov 12, 2009, 06:22 PM
    hvac1000
    Does this unit also have a millivolt generator near the pilot?

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