The Lennox 21703 is designed for clockwise (CW) rotation when viewing from the hub or bore end of the wheel

preventing energy waste from leaking chilled or hot water lines

including the CBX32M and CBX27UH series

we recommend inspecting the existing grommets and replacing them if they show signs of dry rot or compression set

The York S1-024-18785-700 Control Relay is an OEM replacement part designed for precise electrical circuit management in commercial and residential HVAC systems

ASCO 8221G1 Valve 321702-401 The Lennox 21703 is designedThe ASCO 8221G1 is a high performance 2 way normally closed solenoid valve specifically engineered for water service applications requiring precision control. This 3 8" NPT water solenoid valve features a pilot operated diaphragm design with a specialized slow closing mechanism, which effectively eliminates the damaging effects of water hammer in pressurized piping systems. Constructed with a rugged brass body and durable NBR seals, it provides