Hydrolevel 550SVR Low Water Cut-Off 321894-706 this 30/60 PSI refrigerant safety

this 30/60 PSI refrigerant safety switch features a point-set calibration that cuts out at 30 PSI and cuts in at 60 PSI

Durable Construction: Engineered with a weather-protected housing to resist environmental corrosion and moisture ingress

Is this valve compatible with mercury-style flame sensors

The York S1-028-14759-002 Gasket is a critical sealing component engineered for high-performance HVAC condensate management

the Danfoss 013G-8019 is the valve body only

Hydrolevel 550SVR Low Water Cut-Off 321894-706 this 30/60 PSI refrigerant safetyThe Hydrolevel 550SVR Low Water Cut Off is a professional grade safety control designed to prevent dry firing in 120Vac gas or oil fired boilers. This Safgard 550SVR LWCO features a 30 second delay to filter out nuisance shutdowns from temporary water surges, ensuring the burner circuit only locks out during sustained low water events. As a secondary control for steam boilers or a primary limit for hot water systems, it meets ASME CSD 1 requirements