Hydrolevel EW221 Standard Electro-Well 323613-751 Engineered as a professional-grade alternative

Engineered as a professional-grade alternative to standard residential controls

Featuring a durable Chatleff fitting

it maintains consistent minimum and maximum firing rates

though the control range is limited by the installed spring (20-200 PSI for this unit)

the copper construction is suitable for various closed-liquid systems

Hydrolevel EW221 Standard Electro-Well 323613-751 Engineered as a professional-grade alternativeThe Hydrolevel EW221 Standard Electro Well (Part Number 48 221) is an essential component for technicians looking to integrate low water cut off (LWCO) protection into hydronic systems. Measuring with a 1 2" NPT connection and featuring a standard nut, this HydroStat Electro Well is specifically designed to replace common immersion wells. When paired with a Fuel Smart HydroStat controller, the EW221 automatically activates the LWCO function, providing