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WATTS 0274844 Image 1

WATTS 0274844 174A-CAN 1 50PSI PRESSURE REDUCING VALVE

MFR Part #: 0274844
SKU #: 0461511
Brand: WATTS®
UPC: 098268737059
WATTS® 174A Series M1 0274844 Boiler Pressure Relief Valve, 1 in, FNPT, 30 to 150 psi, Lever Actuator, Bronze
Limited
For pressure protection only of all types of hot water heating boiler equipment
ASME Specified | CSA Certified | FM Approved | MIL-V-18634B Type I Class 3A Style A | NSF Approved | UL Listed | ULC Listed | USC Certified | WQA Certified

WATTS® Boiler Pressure Relief Valve, 174A Series, Model: M1, 1 in Nominal, FNPT Connection, Pressure Class: 50 lb, 30 to 150 psi, Water Media, Lever Actuator, Bronze Body, 250 deg F, 3 in Length, 5-3/4 in Height, Domestic/Import: Domestic

Series 174A boiler pressure relief valves are used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all-types of hot water heating supply boiler equipment. They have a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc to metal seating, stainless steel spring and test lever. Series 174A resists corrosive water conditions, sticking and freezing and it prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Standard pressure setting, 30 psi (206.9 kPa). Pressure range in 5 psi (34.5 kPa) increments from 30 to 150 psi (2 to 10 bar) with corresponding high ratings from 650000 to 14370000 Btu/hr.

Product Details

WATTS® Boiler Pressure Relief Valve, 174A Series, Model: M1, 1 in Nominal, FNPT Connection, Pressure Class: 50 lb, 30 to 150 psi, Water Media, Lever Actuator, Bronze Body, 250 deg F, 3 in Length, 5-3/4 in Height, Domestic/Import: Domestic

Series 174A boiler pressure relief valves are used in hot water heating and domestic supply boiler applications to protect against excessive pressures on all-types of hot water heating supply boiler equipment. They have a bronze body construction with NPT threaded female inlet and NPT threaded female outlet (drain) connections, non-metallic disc to metal seating, stainless steel spring and test lever. Series 174A resists corrosive water conditions, sticking and freezing and it prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Standard pressure setting, 30 psi (206.9 kPa). Pressure range in 5 psi (34.5 kPa) increments from 30 to 150 psi (2 to 10 bar) with corresponding high ratings from 650000 to 14370000 Btu/hr.

Attributes

Body MaterialBronze
Country Of OriginUS
Nominal Size1 in
Pressure Rating30 to 150 psi
Temperature Rating250 deg F
Actuator TypeLever
Connection TypeFNPT
Domestic/ImportDomestic
Height5-3/4 in
Length3 in
MediaWater
ModelM1
Pressure Class50 lb
Series174A Series

Features

  • Non-mechanical seat to disc alignment will not stick or freeze
  • Valve protects hot water heating boiler equipment from excessive pressure
  • Bronze body with stainless steel spring
  • Seat is located above drain to prevent water from being trapped and sediment from fouling the seat