out-of-the-box solution for P399 series transducer upgrades

Durable Construction: Built to withstand constant exposure to HVAC system cycles and varying pressure levels

this assembly supports long-term system reliability and stable water level control

Common Questions What causes a Trane rollout fusible link to blow

making it a staple for contractors prioritizing space-saving solutions and system longevity

Hydrolevel 550SV Low Water Cut-Off Els PW 29614 out-of-the-box solution for P399 seriesThe 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