Built with a 3-foot copper capillary

this assembly ensures the pressure switch closes correctly to initiate the ignition sequence

leak-tight seal with a reinforced PTFE seat for long-term service life

this controller maintains tight setpoint tolerances for optimized zone comfort and energy efficiency

What causes this breaker to trip frequently on a rooftop unit

Grundfos 97627423 Actuator 30067439-890 Built with a 3-foot copperThe Grundfos 97627423 Actuator is a professional grade solution for precise fluid control in hydronic heating and cooling systems. Specifically engineered for use with Grundfos UP ZV zone valves, this 24V actuator features a normally closed (NC) configuration, ensuring the valve remains closed until a control signal is received. Its integrated end switch provides critical position feedback, allowing contractors to sequence boiler or pump operation