Watts 0163754 Valve R-410A Manual Override: Includes a manual

Manual Override: Includes a manual operation crank for system testing and emergency positioning without power

a 24V common wire is the standard requirement for this Carrier digital thermostat

including the Reznor RA Series and RAD Series (sizes 110

Interchangeable Design: Fully compatible with systems requiring the Danfoss 061F752300

Watts 0163754 Valve R-410A Manual Override: Includes a manualThe Watts 0163754, also identified as the 40XL 7 100, is a heavy duty, automatic reseating temperature and pressure relief valve engineered for high capacity commercial water heating systems. Designed for precise protection, this 1 inch NPT valve manages thermal expansion and over pressure conditions with a 1,481,000 BTU hr steam discharge capacity. It features a durable bronze body and a 7 inch thermo bonded coated extension thermostat to ensure