The Watts 0556001 (model 100XL-8-150) is a heavy-duty 3/4 inch T&P relief valve engineered for critical temperature and pressure protection in water heater and storage tank applications

This comprehensive kit is essential for preventing the escape of toxic combustion gases and ensuring the system maintains the exact furnace pressure switch requirements for safe operation

This "E" series spring is specifically dimensioned for the 325-5 and 325-5A regulators

making it ideal for standard residential split systems

Johnson Controls V-9999-BC1 Mounting Kit The Watts 0556001 (model 100XL-8-150)Mounting Kit to Mount VA 715X or VA 720X Series Electronic Actuators to 1 2" 1 1 4" VB 9000 Series Barber Coleman Valve Bodies or VA 4233 GGX Series Actuator onto a 1 2" 1 1 4" VB 7000 Series Barber Coleman Valve body