Reliance 301 Series, 1 in. shank electronic propane thermostat gas control valve, 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, only for Reliance standard Liquid Propane gas water heaters with electronic thermostat control.
Intended use with a liquid propane hot water heate