110-326 Gas Water Heater Control Valve, Natural Gas Water Heater Thermostat
Port Sizes And Installation Notes: Features A 1/2″ Pipe Thread Gas Inlet (Ø 0.84″ / 21 mm) And A 1/2″ Inverted Flare Gas Outlet (Ø 0.79″ / 20 mm), Along With An 11/32″-32 UNS Pilot Outlet (Ø 0.44″ / 11 mm).