Key Benefits Precise Modulation: Provides accurate 2-10VDC feedback and control for proportional damper positioning

Field Serviceable: The internal packing gland can be serviced or replaced while the system is under pressure

Is this thermostat compatible with electric heat strips

while the Buna-N paddle ensures a bubble-tight

replacing it with a genuine Reznor replacement part ensures the assembly meets original factory airflow specifications

Hydrolevel 550P Low Water Cut-Off R-410A Key Benefits Precise Modulation: ProvidesThe Hydrolevel 550P Low Water Cut Off is a probe type control engineered for residential and commercial hot water boilers. Operating on 120Vac, this unit integrates a manual reset function that activates after a 30 second delay, preventing burner short cycling during momentary water level fluctuations. The system includes the EL1214 P sensing probe with a long nut (Part Number 45 553), designed to maintain a reliable conductive path even in