Watts F121459 Valve 323080-701 This part ensures the automatic

This part ensures the automatic ignition system functions within factory specifications

Since this is a blocked inlet pressure switch

preventing flue gas spillage by disabling the burner if the differential pressure falls below the safety threshold

it is specifically optimized for Daikin-McQuay shell and tube configurations

Is the actuator failsafe

Watts F121459 Valve 323080-701 This part ensures the automaticThe Watts F121459 LF140X 8 is a 3 4 inch lead free temperature and pressure relief valve designed for water heaters, storage tanks, and commercial hot water systems requiring dependable overpressure and overtemperature protection. Rated for 150 PSI and 210F, this automatic reseating valve helps protect plumbing and heating equipment from unsafe operating conditions caused by thermal expansion and excessive system pressure. This model features an 8