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- The differential pressure regulator eliminates excessive pump head pressure, when most radiator valves are closed due to reduced demand, by controlling flow through a bypass line when the difference between supply/return exceeds the setpoint.
Resideo Differential Pressure Regulator, Angle, D146M Series, 1-1/4 in Nominal Size, FNPT, 85 psi, 230 deg F Operating, 50 gpm, Brass Body, EPDM Diaphragm, 8-1/2 in H x 4-1/4 in W, Import
- Control maintains a constant differential between the two sides by opening a bypass whenever the difference between supply and return reaches the setpoint
- Provides silent, trouble-free service
- Easy installation
- Requires no electrical hookup
- Easy adjustment of pressure by turning regulating cap
- Brass valve body with thermoplastic and stainless steel parts
- Capacity: 395000 Btu/hr
- 0 to 17 psi outlet pressure adjustment range
- Differential Pressure Indicator
- Body MaterialBRASSDomestic / ImportImportEnd StyleFNPTFlow Rate50 gpmNominal Size1-1/4 inPressure Rating85 psiDimensions8-1/2 in H x 4-1/4 in WManufacturerResideo TechnologiesManufacturer #D146M1040SeriesD146MSoftgoods MaterialEPDM DiaphragmTemperature Rating230 deg F OperatingTypeAngle