Resideo V110E1028 Valve 320735-701 When the relief valve begins

When the relief valve begins to discharge or the check valves fail to seat properly

The Watts 0382570 Valve (Model 740-1-30) is a high-capacity boiler pressure relief valve engineered specifically for technical professionals managing large-scale hot water space heating systems

High-Temperature Resistance: Constructed from professional-grade materials capable of withstanding the thermal cycling of modern high-efficiency heat exchangers

OEM Compatibility: Genuine York replacement part ensures proper fitment and electrical ratings for S1-025-27727-003 specifications

Resideo V110E1028 Valve 320735-701 When the relief valve beginsThe Resideo V110E1028 is a high performance 1 1 4" NPT threaded angle body radiator valve engineered for integration with T104 thermostatic actuators. Designed for two pipe steam or hot water systems, this angle pattern radiator valve features a high capacity flow design to meet the demands of commercial and residential hydronic heating. The V110E1028 valve body utilizes a durable brass construction with a nickel plated finish for corrosion resistance