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Can this unit be used with natural gas systems
this normally open SPST switch is factory-calibrated to a -0
Standardized Connectivity: Features industry-standard terminals for a fast
Key Benefits Enhanced Equipment Protection: Safeguards sensitive components like control valves
Hydrolevel 550SV Low Water Cut-Off Freon Can this unit be usedThe Hydrolevel 550SV Low Water Cut Off is a specialized safety control engineered for hot water boiler applications where a manual reset is required. This 120VAC unit (Part No. 45 551) utilizes a Safgard EL1214 SV sensing probe to monitor water levels via hydrostatic pressure and conductivity, providing 15,000 ohm sensitivity. Designed for direct mount installation via a 3 4" NPT connection, the 550SV prevents dry fire conditions by interrupting the
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