Reliance Propane Control Valve Thermostat

Reliance 401 Series, 2 in. shank electronic propane gas control valve, thermostat powered by 750 millivolt generator. Noticeable L-E-D indicator light blinks 1 time at 3 second intervals during normal operation. Increased temperature control and accuracy. Integral spark igniter, fits reliance standard 401 propane gas water heaters with electronic thermostat control.Only use this control valve on a reliance water heaters with electronic thermostat gas valveOriginally manufactured with factory installed electronic gas control valve3/4″ male thread fits reliance heater with 2″ cavity R16 foam insulationCompatible with AO Smith residential water heater brandsCompatible with AO Smith residential water heater brands