Hydrolevel 24SV Low Water Cut-Off 30067439-890 the RA-N series inserts must

the RA-N series inserts must be utilized to ensure correct flow coefficients

The integrated automatic ball checks provide critical protection by sealing the flow of fluids in the event of glass breakage

preventing nuisance trips caused by minor pneumatic leaks

Direct Fit: Standardized terminal connections allow for rapid field replacement during service calls

Hydrolevel 24SV Low Water Cut-Off 30067439-890 the RA-N series inserts mustThe Hydrolevel 24SV Low Water Cut Off is a heavy duty electronic safety control designed for 24Vac hot water boiler applications. Engineered with a compact NEMA 1 enclosure, this unit is built for tight residential and light commercial boiler rooms where space is at a premium. The Hydrolevel 45 245 utilizes a specialized EL1214 SV sensing probe, which features a shorter length (2 1 16" insertion) specifically designed to fit into standard 3 4" NPT