Pressure Relief Valves

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Actuator Type

Spring-Loaded Latch-Lock Handle (1)

T-Handle (1)

Body Material

Brass (13)

Bronze (37)

Cast Copper Silicon Alloy (1)

Copper Alloy (5)

Iron (7)

Dimensions

1-5/32 in W x 3-11/64 in H (1)

1-5/8 in W x 3 in H (4)

2-1/4 in L x 5-3/4 in H (1)

2-3/4 in H (1)

2-3/4 in L x 4-1/2 in H (6)

2-3/4 in W x 6-1/4 in H (4)

2-5/8 in W x 5-5/8 in H (7)

3 in L x 5-3/4 in H (6)

3 in W x 5-3/4 in H (5)

3-3/8 in W x 6-1/4 in H (1)

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Domestic/Import

Domestic (66)

End Style

FNPT (32)

MNPT x FNPT (31)

Media

Gas/Hot Water/Oil (4)

Water (54)

Nominal Size

1 in (19)

1-1/2 in (8)

1-1/4 in (5)

1/2 in (3)

2 in (1)

3/4 in (31)

Pressure Class

150 lb (3)

Pressure Rating

10 to 175 psi (1)

100 psi (1)

125 psi (4)

150 psi (24)

175 psi (1)

30 psi (5)

30 to 150 psi (8)

300 psi (1)

50 psi (3)

50 to 175 psi (3)

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Series

100XL (2)

10L (1)

140 (3)

140S3-150210 (1)

174A (18)

174A-030 (3)

174A-050 (3)

174A-075 (4)

174A-100 (1)

174A-125 (4)

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Softgoods Material

Buna-N® Disc (2)

Buna-N® O-Ring (2)

Temperature Rating

180 deg F (3)

210 deg F (35)

250 deg F (24)

Type

Automatic Reseating (26)

Calibrated (4)

Extended Shank (1)

Poppet (1)

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18365472

67 items

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WATTS®

BOILER RELIEF VLV 100# 3/4 INCH

Product# WATS 174A-00.75-100

MPN

0274683

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WATTS®

BOILER RELIEF VLV 125# 1-1/2 INCH

Product# WATS 174A-01.50-125

MPN

0276980

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WATTS®

BOILER RELIEF VLV 125# 1-1/4 in

Product# WATS 174A-01.25-125

MPN

0276050

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WATTS®

BOILER RELIEF VLV 125# 1-IN

Product# WATS 174A-01.00-125

MPN

0275404

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WATTS®

BOILER RELIEF VLV 125# 3/4 in

Product# WATS 174A-00.75-125

MPN

0274751

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WATTS®

BOILER RELIEF VLV 150# 1 INCH

Product# WATS 174A-01.00-150

MPN

0275464

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WATTS®

BOILER RELIEF VLV 150# 1-1/2 in

Product# WATS 174A-01.25-150

MPN

0276250

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WATTS®

BOILER RELIEF VLV 150# 3/4 in

Product# WATS 174A-00.75-150

MPN

0274836

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WATTS®

BOILER RELIEF VLV 30# 1-1/2 in

Product# WATS 740-01.50-030

MPN

0383542

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WATTS®

BOILER RELIEF VLV 30# 1-1/4 in

Product# WATS 174A-01.25-030

MPN

0275600

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WATTS®

BOILER RELIEF VLV 30# 1-IN

Product# WATS 174A-01.00-030

MPN

0274934

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WATTS®

BOILER RELIEF VLV 30# 3/4 in

Product# WATS 174A-00.75-030

MPN

0274428

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WATTS®

BOILER RELIEF VLV 30# 3/4 in

Product# WATS 740-00.75-030

MPN

0382008

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WATTS®

BOILER RELIEF VLV 30# 3/4 INCH

Product# WATS 374A

MPN

0358553

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WATTS®

BOILER RELIEF VLV 50# 1-1/4 in

Product# WATS 174A-01.25-050

MPN

0275824

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WATTS®

BOILER RELIEF VLV 50# 1-IN

Product# WATS 174A-01.00-050

MPN

0275054

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WATTS®

BOILER RELIEF VLV 50# 3/4 in

Product# WATS 740-00.75-050

MPN

0382328

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WATTS®

BOILER RELIEF VLV 50# 3/4 in

Product# WATS 174A-00.75-050

MPN

0274513

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WATTS®

BOILER RELIEF VLV 100# 3/4 INCH

Product# WATS 174A-00.75-100

MPN

0274683

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WATTS®

BOILER RELIEF VLV 125# 1-1/2 INCH

Product# WATS 174A-01.50-125

MPN

0276980

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WATTS®

BOILER RELIEF VLV 125# 1-1/4 in

Product# WATS 174A-01.25-125

MPN

0276050

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WATTS®

BOILER RELIEF VLV 125# 1-IN

Product# WATS 174A-01.00-125

MPN

0275404

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WATTS®

BOILER RELIEF VLV 125# 3/4 in

Product# WATS 174A-00.75-125

MPN

0274751

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WATTS®

BOILER RELIEF VLV 150# 1 INCH

Product# WATS 174A-01.00-150

MPN

0275464

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WATTS®

BOILER RELIEF VLV 150# 1-1/2 in

Product# WATS 174A-01.25-150

MPN

0276250

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WATTS®

BOILER RELIEF VLV 150# 3/4 in

Product# WATS 174A-00.75-150

MPN

0274836

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WATTS®

BOILER RELIEF VLV 30# 1-1/2 in

Product# WATS 740-01.50-030

MPN

0383542

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WATTS®

BOILER RELIEF VLV 30# 1-1/4 in

Product# WATS 174A-01.25-030

MPN

0275600

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WATTS®

BOILER RELIEF VLV 30# 1-IN

Product# WATS 174A-01.00-030

MPN

0274934

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WATTS®

BOILER RELIEF VLV 30# 3/4 in

Product# WATS 174A-00.75-030

MPN

0274428

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WATTS®

BOILER RELIEF VLV 30# 3/4 in

Product# WATS 740-00.75-030

MPN

0382008

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WATTS®

BOILER RELIEF VLV 30# 3/4 INCH

Product# WATS 374A

MPN

0358553

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WATTS®

BOILER RELIEF VLV 50# 1-1/4 in

Product# WATS 174A-01.25-050

MPN

0275824

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WATTS®

BOILER RELIEF VLV 50# 1-IN

Product# WATS 174A-01.00-050

MPN

0275054

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WATTS®

BOILER RELIEF VLV 50# 3/4 in

Product# WATS 740-00.75-050

MPN

0382328

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WATTS®

BOILER RELIEF VLV 50# 3/4 in

Product# WATS 174A-00.75-050

MPN

0274513

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Results Per Page

18365472