as well as high-capacity 700-800 series diaphragm valves

While the biflow design allows for flexibility

Always verify your specific model number prefix against the original service parts list to ensure pin-to-pin compatibility with the reversing valve solenoid and fan relay logic

Is the coil on this unit replaceable

Carrier HN67QC012 Sequencer 320734-701 as well as high-capacity 700-800The Carrier HN67QC012 Sequencer is a critical OEM replacement part engineered for precise timing in electric furnace and air handler applications. As a multi stage heat pump sequencer, this component manages the staggered activation and deactivation of heating elements, preventing high inrush current and potential circuit breaker trips. This HVAC electric heat sequencer features a bimetal heater that expands and contracts to actuate electrical