Resideo PA404A1033 Pressuretrol Controller 321894-706 making it a reliable choice

making it a reliable choice for driving relays

Fail-Safe Reliability: Mechanical spring return function provides guaranteed closure or opening upon loss of power

Technicians should verify the 37

This HVAC pressure relief valve opens proportionally to the pressure increase

Resideo PA404A1033 Pressuretrol Controller 321894-706 making it a reliable choiceFor steam heating systems requiring precise high limit protection, the Resideo PA404A1033 Pressuretrol Controller serves as the industry standard for steam boiler pressure control. Designed for installation above the water line, this SPST switching device breaks the electrical circuit to shut down the burner when steam pressure exceeds your designated safety threshold. It features a broad 0. 5 9 psi adjustable pressure range and a 1 5 psi additive