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Technicians value this model for its repeatable accuracy and the tactile manual reset mechanism
The internal servo-pressure regulator is factory-set to maintain 3
This valve is rated for a maximum operating pressure differential of 125 PSI for air
maintaining electrical integrity even under heavy inductive loads
Carrier HH11AZ070 Protectorelay 328140-751 Technicians value this model forThe Carrier HH11AZ070 Protectorelay is a critical combustion safeguard designed for precision oil burner primary control within residential oil furnaces and HVAC systems. As a genuine OEM replacement part, this protector relay ensures high limit protection and reliable ignition timing, maintaining the operational integrity of Carrier, Bryant, and Payne equipment. Engineered to interface seamlessly with cadmium sulfide (cad cell) flame sensors, the