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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
low gas pressure
remote control stations
providing reliable performance in demanding cycling conditions
Does the valve ship in the open or closed position
Hydrolevel 550SV Low Water Cut-Off 30067439-890 low gas pressureThe 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