Resideo L4064B2228 Controller 323269-701 This valve maintenance kit is

This valve maintenance kit is precision-engineered to handle air and inert gas applications

The 20-foot thermistor is a factory-calibrated component

Contractors will find the 1/2" conduit connector and compact 3" x 2-5/2" footprint ideal for field mounting within the standard unit junction box

Standardized Threading: Features a rugged 1/2" NPT tapered thread for high-pressure reliability and leak prevention

Resideo L4064B2228 Controller 323269-701 This valve maintenance kit isThe Resideo L4064B2228 Fan and Limit Controller is a critical safety and operational component designed for forced warm air heating systems. Featuring a 5 inch bimetal sensing element, this controller provides precise monitoring of plenum temperatures to manage fan cycles and high limit safety cutouts. This unit functions with a fan switch that "makes" on temperature rise and a high limit switch that "breaks" on temperature rise, utilizing a 25F fixed