When you need gas heater parts turn to Grainger to keep your heater up and running. We have the gas valves and tune up kits to fit many gas heaters. Our selection of quick connect gas couplings allows you to easily connect and disconnect gas lines without the need for wrenches. They’re designed for use with LP or natural gas, and feature an automatic shut off when the plug is removed from the body. Looking for portable gas heater accessories? Grainger has the gas pressure regulators and high-pressure gas hose for most portable heating units. We also have the diffusers, duct kits, and duct adapters for remediation- and tent-style heaters.