Hydrolevel EW221 Standard Electro-Well 320074-702 always check your schematic for

always check your schematic for proper line-break polarity

Heavy-Duty Construction: Built for high-pressure industrial applications

The Carrier 356066-0803 Ionizing Wire is a critical field-service component designed for Carrier electronic air cleaners and high-efficiency filtration systems

Designed for SPST (Single-Pole Single-Throw) operation

Hydrolevel EW221 Standard Electro-Well 320074-702 always check your schematic forThe 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