Liebert 128753P1S Valve 321702-401 The White-Rodgers 21D64-2 is a

The White-Rodgers 21D64-2 is a robust 120V silicon nitride ignitor upgrade kit engineered for high-durability performance in residential gas furnaces

For technicians troubleshooting intermittent fan failure or bearing noise

to clean air and gas streams before they enter the burner assembly

This 16 cubic inch drier is sized for liquid line applications typically ranging from 3 to 7

it meets precise dimensional tolerances to prevent moisture migration

Liebert 128753P1S Valve 321702-401 The White-Rodgers 21D64-2 is aThe Liebert 128753P1S is a heavy duty, OEM 24V N C fill valve designed specifically for precision environmental control systems and humidifier infrastructure. As a normally closed solenoid valve, it provides reliable water flow regulation, ensuring that humidifier tanks maintain proper levels without risking overflow or dry firing during critical cooling cycles. This replacement fill valve comes complete with factory specified fittings, allowing for a