Universal 25 Series Compatibility: Fits various sub-models including L4

This specific model features a NEMA 1 enclosure intended for indoor duct applications

allowing for accurate sensing of suction line temperatures

including pack and case controllers

The Armstrong 2011 series utilizes a free-floating guided lever mechanism to ensure tight shut-off

Utica-Dunkirk 43300256 Coil Plate R-407A Universal 25 Series Compatibility: FitsThe Utica Dunkirk 43300256 Coil Plate is a critical blanking component designed for hydronic boiler systems. This blank tankless coil plate is engineered to seal the internal heat exchanger opening when the domestic tankless coil is removed or not utilized. Fabricated from high grade industrial materials, it ensures a pressure tight seal against the boiler block, preventing leaks and maintaining system head pressure. For contractors, this replacement