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Pressure Valves

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142 products

Brass pressure reducing valve with dome-shaped top, side lever, and NPT ports, labeled with specifications.

Bell & Gossett 110192LF Pressure Reducing Valve 1/2 in NPT, 25 psig 6 gpm Brass

SKU #: BEG110192LF   |   MPN #: 110192LF
$120.30
$120.30 $0.00
MSRP: $159

Available in stock

Bell & Gossett brass pressure reducing valve with 3/4 inch NPT connection and adjustment screw on top.

Bell & Gossett 110196LF Pressure Reducing 3/4 Inch NPT Brass

SKU #: BEG110196LF   |   MPN #: 110196LF
$167.00
$167.00 $0.00
MSRP: $225

Available in stock

Bronze temperature and pressure relief valve with green label, attached thermostat probe, and separate threaded connector.

Watts 3/4" 40XL-5 Bronze Automatic Reseating Temperature and Pressure Relief Valve, 150 psi, 210 degree F, 5" Coated Thermostat, Discharge Line Flood Sensor Included - F156731

SKU #: WATF156731   |   MPN #: F156731
$167.85
$167.85 $0.00
MSRP: $732.50

Available in stock

Brass autofill valve with 1/2" NPT connections and attached pressure gauge with white dial.

Caleffi 553642A AutoFill 1/2" NPT Inlet X 1/2" NPT Outlet w/ Pressure Gauge

SKU #: CALE553642A   |   MPN #: 553642A
$133.17
$133.17 $0.00
MSRP: $168

Available in stock

Bronze temperature and pressure relief valve with attached discharge tube and separate flood sensor connector.

Watts 1" 40XL-4 Bronze Automatic Reseating Temperature and Pressure Relief Valve, 150 psi, 210 degree F, 4" Coated Thermostat, Discharge Line Flood Sensor Included - F163725

SKU #: WATF163725   |   MPN #: F163725
$223.78
$223.78 $0.00
MSRP: $1,153

Available in stock

Bronze boiler pressure relief valve with green label, 1 inch inlet, 150 psi setting, and attached gray flood sensor cap.

Watts 1" 174A Bronze Boiler Pressure Relief Valve, 150 psi, Discharge Line Flood Sensor Included - F275464

SKU #: WATF275464   |   MPN #: F275464
$167.03
$167.03 $0.00
MSRP: $1,118

Special Order. Expect 4-6 weeks for delivery, subject to change

Bronze boiler pressure relief valve with green label and threaded outlet connector shown separately.

Watts 1" 740 Iron Boiler Pressure Relief Valve, 75 psi, Expanded Outlets, Discharge Line Flood Sensor Included - F382821

SKU #: WATF382821   |   MPN #: F382821
$626.92
$626.92 $0.00
MSRP: $825

Available in stock

Brass automatic fill valve with 1/2 inch sweat connections and gray adjustment caps on top and bottom.

Caleffi 573009A Automatic Fill 1/2 Inch Sweat Brass

SKU #: CALE573009A   |   MPN #: 573009A
$194.39
$194.39 $0.00
MSRP: $242

Available in stock

Bronze boiler pressure relief valve with lever handle and discharge line flood sensor connector.

Watts 1" 174A Bronze Boiler Pressure Relief Valve, 30 psi, Discharge Line Flood Sensor Included - F274934

SKU #: WATF274934   |   MPN #: F274934
$167.09
$167.09 $0.00
MSRP: $1,018

Available in stock

Brass automatic fill valve with NPT threaded ports, gray and black top cap, and ribbed bottom adjustment knob.

Caleffi 553542A Automatic Fill 1/2 Inch NPT Brass

SKU #: CALE553542A   |   MPN #: 553542A
$121.04
$121.04 $0.00
MSRP: $151

Available in stock

Brass automatic fill valve with 1/2 inch press connections and attached pressure gauge.

Caleffi 573016A Automatic Fill 1/2 Inch Press Brass

SKU #: CALE573016A   |   MPN #: 573016A
$240.08
$240.08 $0.00
MSRP: $306

Available in stock

Brass boiler pressure relief valve with chrome discharge line, adjustment cap, and yellow instruction tag attached.

Watts 3/4" 740 Iron Boiler Pressure Relief Valve, 50 psi, Expanded Outlets, Discharge Line Flood Sensor Included - F382328

SKU #: WATF382328   |   MPN #: F382328
$244.31
$244.31 $0.00
MSRP: $477.50

Available in stock

Caleffi 535056A AutoFill Automatic Filling Valve (commercial applications) 3/4" Press Union

SKU #: CALE535056A   |   MPN #: 535056A
$150.92
$150.92 $0.00
MSRP: $190

Available in stock

Brass vacuum relief valve with black protective cap and male NPT threaded connection.

Watts 3/4" Lead Free Brass Vacuum Relief Valve, Male NPT, Protective Cap - 0556031

SKU #: WAT0556031   |   MPN #: 0556031
$61.76
$61.76 $0.00
MSRP: $228.50

Available in stock

Bronze boiler pressure relief valve with green adjustment cap and separate black flood sensor connector.

Watts 3/4" 174A Bronze Boiler Pressure Relief Valve, 30 psi, Discharge Line Flood Sensor Included - F274428

SKU #: WATF274428   |   MPN #: F274428
$234.53
$234.53 $0.00
MSRP: $458

Available in stock

Watts 1" 174A Bronze Boiler Pressure Relief Valve, 50 psi, Discharge Line Flood Sensor Included - F275054

SKU #: WATF275054   |   MPN #: F275054
$167.03
$167.03 $0.00
MSRP: $1,118

Available in stock

Bronze temperature and pressure relief valve with 2-inch thermostat, discharge line flood sensor, and threaded connector.

Watts 1" 40L-2 Bronze Automatic Reseating Temperature and Pressure Relief Valve, 150 psi, 210 degree F, 2 IN Coated Thermostat, Discharge Line Flood Sensor Included - F154830

SKU #: WATF154830   |   MPN #: F154830
$897.26
$897.26 $0.00
MSRP: $1,207

Available in stock

Bronze boiler pressure relief valve with curved outlet pipe, green label tag, and separate flood sensor connector with copper

Watts 1-1/4" 174A Bronze Boiler Pressure Relief Valve, 150 psi, Discharge Line Flood Sensor Included - F276250

SKU #: WATF276250   |   MPN #: F276250
$1,317.58
$1,317.58 $0.00
MSRP: $1,768

Available in stock

Bronze boiler pressure relief valve with lever handle and discharge line flood sensor connector shown separately.

Watts 3/4" 174A Bronze Boiler Pressure Relief Valve, 125 psi, Discharge Line Flood Sensor Included - F274751

SKU #: WATF274751   |   MPN #: F274751
$270.77
$270.77 $0.00
MSRP: $529

Available in stock

Watts 3/4 " 174A Bronze Boiler Pressure Relief Valve, 55 psi, Discharge Line Flood Sensor Included - F274598

SKU #: WATF274598   |   MPN #: F274598
$270.77
$270.77 $0.00
MSRP: $529

Available in stock

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