Reliance 100262939 Natural Gas Thermostat

Reliance 400 series, 2 inch shank, 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 and accuracy, integral spark igniter, fits reliance standard 400 natural gas water heaters with Honeywell control.