Thermostat gas control valves are available for purchase at SupplyHouse.com, Essential Hardware and Sears PartsDirect, as of 2015. All three retailers offer combination units and assemblies that let users swap out existing gas control valves and thermostats for quick repair and parts replacement.
SupplyHouse.com offers control valves from many major manufacturers, and orders totaling $150 or more ship free from the online retailer. Essential Hardware offers free shipping on orders of $75 or more, and users can earn rewards points towards future purchases. Shoppers who turn to Sears PartsDirect for gas control valves and thermostat assemblies can earn Shop Your Way rewards points.