Operating with a counterclockwise (CCW) rotation

we see these centrifugal wheels take a beating from high-temperature cycles

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

While primarily utilized in central air conditioner and air handler configurations for relay management

17-1"wc range to meet specific site requirements

Carrier HN67QC012 Sequencer 320734-701 Operating with a counterclockwise (CCW)The 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