Hydrolevel 550SVR Low Water Cut-Off Refrigerant This is commonly caused by

This is commonly caused by a dirty air filter

In high-demand HVACR environments

Handle the unit only by the round ceramic base

it is the direct replacement for 7000AMSGO and 7000AMSGOR-LP models

Hydrolevel 550SVR Low Water Cut-Off Refrigerant This is commonly caused byThe 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