Reliance Part
*Water Heater Type: Natural Gas
*Product Type: Control Valve Thermostat
*Height: 4.5 in.
*Width: 5 in.
*Reliance 300 series, Honeywell electronic gas control valve, thermostat powered by 750 millivolt generator. Noticeable red led indicator light blinks 1 time at 3 second intervals during normal operation, increased temperature control & accuracy, integral spark igniter, fits reliance standard natural gas water heaters with Honeywell control. Works with Ace                  n os. 4200648,                             4 337713, 4200903 and 4201422