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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
This O80 C30 sensor functions as a limit switch within the defrost control sequence
For field technicians and contractors managing residential or light commercial boiler maintenance
High-Pressure Capability: Rated for systems up to 65 bar
Thermal Efficiency: The NEMA 48 frame and open-air design facilitate maximum cooling to prevent winding overheating
high-contact electrical connections and a rugged panel mount configuration
Hydrolevel 727 Controller 323055-751 This O80 C30 sensor functionsThe Hydrolevel 727 (Part Number 45 727) is a heavy duty 120Vac high water limit and pump controller specifically engineered for precise liquid level management in hydronic and industrial systems. Designed with a solid state, no moving parts architecture, this tank level control eliminates common mechanical failure points such as sticking floats or worn out linkages. The 727 model functions as a pump up controller, activating your pump via SPDT
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