Relief Valves

Relief Valves protect your systems by automatically releasing excess pressure when preset limits are exceeded. These essential safety components prevent costly equipment damage and ensure safe operation in plumbing and HVAC applications. Choose from Jackson Systems’ wide selection of brass and other quality materials in various pressure ratings to keep your systems running safely.

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Showing 1–48 of 462 resultsSorted by popularity

29.5# Discharge Relief Valve, 350 PSIG Pressure Rating

Mueller Industries

SKU: A18737-350
$152.53
MSRP: $175.41
You save 15%
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1/2″x3/4″ Steam Relief Valve, 100 PSI Set Pressure, 644 PPH

Kunkle Valve

SKU: 6021DCT01AAM0100
$328.90
MSRP: $378.24
You save 15%
Kunkle Valve 6021DCT01AAM0100 1/2"x3/4" Steam Relief Valve, 100 PSI, 644 PPH quantity
1″ x 1-1/4″ FNPT 125 PSI Bronze ASME Steam Pressure Relief Valve

Kunkle Valve

SKU: 0537-E01-HM0125
$366.78
MSRP: $421.80
You save 15%
Kunkle Valve 0537-E01-HM0125 1" FNPT x 1-1/4" FNPT 125 PSI Bronze ASME Steam PRV quantity
3/4″ x 1″ NPT 30 PSI ASME Section IV Steam Pressure Relief Valve

Kunkle Valve

SKU: 0537-D01-AHM0030
$350.03
MSRP: $402.53
You save 15%
Kunkle Valve 0537-D01-AHM0030 3/4" x 1" NPT 30 PSI ASME Steam Pressure Relief Valve quantity
330-30 3/4″ Male x Female Pressure Relief Valve

Watts

SKU: 0342682
$49.34
MSRP: $56.74
You save 15%
Watts 0342682 330-30 3/4" MxF Pressure Relief Valve quantity
2-1/2″ NPT Vacuum Air Pressure Relief Valve, 12″Hg, 649 SCFM

Conbraco Industries

SKU: 14-606-V12
$1,324.78
MSRP: $1,523.50
You save 13%
Conbraco Industries 14-606-V12 2-1/2" NPT Vacuum Air Pressure Relief Valve quantity
Pressure Relief Valve Kit, SKU 998-0051-00

Copeland

SKU: 998-0051-00
$260.87
MSRP: $311.28
You save 16%
Copeland 998-0051-00 Pressure Relief Valve Kit quantity
3/8″ Relief Valve, 10–30 PSI Range, Set @ 22 PSI

Trane

SKU: VAL2665
$826.50
MSRP: $950.48
You save 15%
Trane VAL2665 3/8" Relief Valve 10/30# Set @ 22 PSI quantity
3/8″ NPTF x RLF Relief Valve

Trane

SKU: VAL21260
$160.75
MSRP: $184.86
You save 13%
Trane VAL21260 3/8" NPTF x RLF Relief Valve quantity
425 lb Relief Valve for Trane HVAC Systems

Trane

SKU: VAL11248
$128.61
MSRP: $147.90
You save 15%
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200# 7/8″ Straight NPT x NPTFI Pressure Relief Valve

Trane

SKU: VAL7408
$230.60
MSRP: $265.19
You save 15%
Trane VAL7408 200# 7/8" Straight NPT x NPTFI Pressure Relief Valve quantity
3/8″ NPT x 3/8″ SAE 235# Pressure Relief Valve

Trane

SKU: VAL7026
$132.14
MSRP: $151.96
You save 15%
Trane VAL7026 3/8" NPT x 3/8" SAE 235# Pressure Relief Valve quantity
1/4 x 3/8″ Relief Valve for Trane HVAC Systems

Trane

SKU: VAL6940
$126.11
MSRP: $145.03
You save 15%
Trane VAL6940 1/4 x 3/8" Relief Valve quantity
1-5/16″ Relief Valve (RLV), 150-200 PSI Pressure Range

Trane

SKU: VAL5949
$214.18
MSRP: $246.31
You save 15%
Trane VAL5949 1-5/16" Relief Valve (RLV) 150-200 PSI quantity
Relief Valve for Utica-Dunkirk Boiler Systems

Utica-Dunkirk

SKU: 1570001
$48.29
MSRP: $55.53
You save 15%
Utica-Dunkirk 1570001 Relief Valve quantity
1″ 2-Stage Natural Gas Safety Valve for Laars Systems

Laars Heating Systems

SKU: RV0046600
$446.74
MSRP: $513.75
You save 15%
Laars Heating Systems RV0046600 1" 2-Stage Natural Gas Safety Valve quantity
125 PSI 3/4″ Pressure Relief Valve Kit

Laars Heating Systems

SKU: RA2138900
$144.64
MSRP: $166.34
You save 15%
Laars Heating Systems RA2138900 125# 3/4" PRV Kit quantity
Pressure Relief Valve for Laars Heating Systems

Laars Heating Systems

SKU: RA2138801
$167.26
MSRP: $192.35
You save 15%
Laars Heating Systems RA2138801 PRV quantity
Pressure Release Valve, Square D 9049A56

Square D

SKU: 9049A56
$20.43
MSRP: $23.49
You save 15%
Schneider Electric (Square D) 9049A56 Pressure Release Valve quantity
3/4″ 225# 92 GPM Refrigeration Relief Valve

Sporlan Controls

SKU: 206847
$635.11
MSRP: $730.38
You save 15%
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1/2″x3/4″ 150 PSI 986 PPH Steam Relief Valve

Sporlan Controls

SKU: 206841
$584.65
MSRP: $672.35
You save 15%
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1/2″x3/4″ Air Relief Valve, 60 PSI, 158 SCFM Flow Capacity

Sporlan Controls

SKU: 206837
$475.21
MSRP: $546.49
You save 15%
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1″ Male NPT x 1-1/4″ Female NPT 100 PSI Section I Steam Relief Valve

Reznor

SKU: 41996
$467.39
MSRP: $537.50
You save 15%
Reznor 41996 1" Male NPT x 1-1/4" Female NPT 100 PSI Section I Steam PRV quantity
Steam Pressure Relief Valve, 1/2″ NPT, 15 PSI, 151 lbs/hr, Brass

Reznor

SKU: 41601
$126.54
MSRP: $145.52
You save 15%
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Safety Valve for Reliable System Overpressure Protection

Robertshaw

SKU: TS11J-2211-1-0
$136.46
MSRP: $156.93
You save 15%
Robertshaw TS11J-2211-1-0 Safety Valve quantity
Pressure Relief Valve for Rinnai Systems

Rinnai

SKU: PRV-1
$33.09
MSRP: $38.05
You save 15%
Rinnai PRV-1 Pressure Relief Valve quantity
Pressure Relief Valve Connection for Rinnai Systems

Rinnai

SKU: 107000282
$45.70
MSRP: $52.56
You save 15%
Rinnai 107000282 Pressure Relief Valve Connection quantity
Pressure Relief Valve, 125 PSI Pressure Rating

Raypak

SKU: 011912F
$192.51
MSRP: $221.39
You save 13%
Raypak 011912F Pressure Relief Valve 125# quantity
125# Pressure Relief Valve for Raypak Equipment

Raypak

SKU: 008091F
$100.91
MSRP: $116.05
You save 15%
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125 PSI Pressure Relief Valve for Raypak Systems

Raypak

SKU: 007758F
$128.86
MSRP: $148.19
You save 15%
Raypak 007758F 125 PSI Pressure Relief Valve quantity
60 lb Pressure Relief Valve for Raypak Heating Systems

Raypak

SKU: 007754F
$272.46
MSRP: $313.33
You save 13%
Raypak 007754F 60# Pressure Relief Valve quantity
3/4″ 60 PSI Relief Valve, OEM Replacement Part

Raypak

SKU: 007753F
$270.14
MSRP: $310.66
You save 15%
Raypak 007753F 3/4" 60# Relief Valve quantity
3/4″ 150# 2,445,000 BTU Pressure Relief Valve

Raypak

SKU: 007225F
$171.55
MSRP: $197.28
You save 15%
Raypak 007225F 3/4" 150# 2,445,000 BTU Relief Valve quantity
3/4″ 125# 1,700,000 BTU Boiler/Hydronic Relief Valve

Raypak

SKU: 007224F
$119.54
MSRP: $137.47
You save 15%
Raypak 007224F 3/4" 125# 1,700,000 BTU Relief Valve quantity
3/4″ 60 PSI 1,100,000 BTU Boiler Relief Valve

Raypak

SKU: 007222F
$161.46
MSRP: $185.68
You save 15%
Raypak 007222F 3/4" 60 PSI 1,100,000 BTU Boiler Relief Valve quantity
3/4″ 374A SET 45 Relief Valve for Raypak Systems

Raypak

SKU: 007220F
$124.20
MSRP: $142.83
You save 13%
Raypak 007220F 3/4" 374A SET 45 Relief Valve quantity
2″ Internal Relief Valve, 1/2″ Orifice, 10′, 12–28″ WC

Sensus

SKU: 243-8-IRV-2
$906.95
MSRP: $1,042.99
You save 15%
Sensus 243-8-IRV-2 2" Internal Relief Valve 1/2" Orifice 12-28" WC quantity
125 PSI Relief Valve for RBI Boiler Systems

RBI Boiler

SKU: 30-0364
$220.50
MSRP: $253.58
You save 15%
RBI Boiler 30-0364 125 PSI Relief Valve quantity
Temperature & Pressure Relief Valve for Water Heaters

Rheem

SKU: SP9013F
$158.78
MSRP: $182.60
You save 15%
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1″ MxF 150 PSI 500,000 BTU Temperature & Pressure Relief Valve

Rheem

SKU: SP9012B
$250.20
MSRP: $287.73
You save 15%
Rheem-Ruud SP9012B 1" MxF 150 PSI 500,000 BTU T&P Relief Valve quantity
Relief Valve — OEM Replacement, SP8346

Rheem

SKU: SP8346
$55.80
MSRP: $64.17
You save 13%
Rheem-Ruud SP8346 Relief Valve quantity
3/4″ Lead-Free Vacuum Relief Valve

Rheem

SKU: SP623336
$62.75
MSRP: $72.16
You save 15%
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Vacuum Relief Valve and T Replacement Part

Rheem

SKU: SP623335
$78.99
MSRP: $90.84
You save 15%
Rheem-Ruud SP623335 Vacuum Relief Valve and T quantity
Temperature & Pressure Relief Valve for Water Heaters

Rheem

SKU: SP12577B
$69.29
MSRP: $79.68
You save 15%
Rheem-Ruud SP12577B Temperature & Pressure Relief Valve quantity
3/4″ 150 PSI 105,000 BTU Pressure Relief Valve

Rheem

SKU: SP12574
$52.05
MSRP: $59.86
You save 13%
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Temperature & Pressure Relief Valve, AP12574E-2

Rheem

SKU: AP12574E-2
$43.35
MSRP: $49.85
You save 15%
Rheem-Ruud AP12574E-2 Temperature & Pressure Relief Valve quantity
Temperature & Pressure Relief Valve

Rheem

SKU: 21790
$160.24
MSRP: $184.28
You save 13%
Rheem-Ruud 21790 Temperature & Pressure Relief Valve quantity
Air Relief Valve 1/2″ 200 PSI Brass

Parker-Sporlan

SKU: 470069
$151.25
MSRP: $173.94
You save 15%
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