Watts 0388800 Regulator 320735-701 Hard Start Compatibility: Engineered for

Hard Start Compatibility: Engineered for use with Johnson Controls unit models

Complete Assembly: Features the 16-inch burner and the mounting door for a streamlined installation process

this high limit temperature control monitors system water temperatures and provides essential thermal protection by interrupting the burner circuit if temperatures exceed the safe operating threshold

or the compressor running constantly without reaching the temperature setpoint when a TXV is restricted or stuck open

Watts 0388800 Regulator 320735-701 Hard Start Compatibility: Engineered forThe Watts 0388800 S1450F is a high capacity boiler feed water pressure regulator and safety relief valve designed for professional hydronic heating installations. This dual control unit effectively manages system pressure by automatically filling the boiler and piping while maintaining consistent levels during operation. Built for durability, the valve features a robust iron and bronze body with 1 2 inch union sweat (solder) inlet and NPT threaded