Tunstall G 26 HP Body Gasket R 134A Installing this factory authorized part means Installing this factory authorized part means you're maintaining the system's integrity and ensuring dependable hot water delivery Manual Safety Lockout: The manual reset feature ensures a technician inspects the system for leaks or fan failures before the compressor can restart Proper installation of a fresh Tunstall body gasket is essential during routine inspections to avoid bypass leakage and "blown" joints that can lead to hazardous water hammer or significant increases in fuel consumption Field technicians regularly utilize the G 26 HP when servicing float and thermostatic (F&T) steam traps subjected to demanding saturated steam conditions up to 125 PSI