or manifold pressure imbalances

Will this work with older R-22 systems

allowing for smooth 90-degree rotation in critical HVAC control systems

Designed to facilitate rapid mounting on a standard 35mm DIN rail

Precision-drilled 0

Aprilaire 4001 Saddle Valve or manifold pressure imbalancesThe Aprilaire 4001 Saddle Valve is a heavy duty self piercing needle valve designed for tapping into copper water lines to supply whole house humidifiers. This component is the direct replacement for 32001616 001 and is compatible with the majority of bypass and power humidifier models, including the Aprilaire 400, 500, 600, and 700 series. Engineered for 1 4 inch OD tubing, this HVAC water line tap ensures a leak resistant connection to cold water