Manitowoc Ice 040005529 Valve Service Kit 318973-401 A standard regulator only maintains

A standard regulator only maintains a set pressure

Maximum Power Transfer: Raw-edge construction provides a higher friction coefficient than wrapped belts for better grip and reduced energy loss

reducing its capacity and artificially elevating the condensing pressure to prevent evaporator icing and insufficient TEV feeding

The 1/2" NPT (National Pipe Thread) is a North American standard for tapered threads used to create a liquid-tight seal

allowing technicians to tailor the protection logic to specific site requirements

Manitowoc Ice 040005529 Valve Service Kit 318973-401 A standard regulator only maintainsThe Manitowoc Ice 040005529 Valve Service Kit (also identified as the QM30 161 service kit) is a critical OEM replacement part designed for field technicians maintaining high performance commercial ice machines. This comprehensive kit addresses common water inlet valve failures that cause low ice production or harvesting issues in compact units. By replacing the internal valve seats, seals, gaskets, springs, and retainers, you restore factory spec