Carrier HH11AZ070 Protectorelay 322838-753 typically a room thermostat

typically a room thermostat

this board manages ignition sequences

depending on the specific sleeve series used

this kit is specifically designed for ECM modulating furnace systems and is not interchangeable with standard permanent split capacitor (PSC) motor configurations

Designed with a 1-inch sweat connection

Carrier HH11AZ070 Protectorelay 322838-753 typically a room thermostatThe 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