The Modine 78641 functions as the brain of the unit

This part number refers to the compressor plug assembly

Common indicators include visible melting or charring on the plug

allowing for seamless integration into building management systems (BMS)

preventing exhaust leakage and ensuring high-efficiency performance

Resideo VCZZ6100 Replacement Cartridge 320734-701 The Modine 78641 functions asThe Resideo VCZZ6100 Replacement Cartridge is a critical component for maintaining or restoring the performance of 3 way VC series valves. Engineered for hydronic control systems, this cartridge features a silver spring and is designed specifically for linear flow characteristics. It is fully compatible with 2 position actuators as well as fail safe proportional actuators, ensuring precise modulation in both heating and cooling applications. The