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Show In Stock Only (263)

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Apollo Valves (182)
Bell & Gossett (13)
Caleffi (3)
Cash-Acme (47)
McDonnell & Miller (19)
SharkBite (1)
Watts (174)
Webstone (1)
Zurn (13)

Size
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1/2" (38)
3/4" (192)
1" (112)
1-1/4" (62)
1-1/2" (68)
2" (52)
2-1/2" (17)
3" (2)

Pressure Set Point
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10 (3)
100 (32)
110 (1)
125 (57)
130 (1)
15 (24)
150 (115)
160 (3)
175 (6)
20 (3)

Capacity (BTU)
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20,000 - 30,000 (1)
100,000 - 150,000 (3)
200,000 - 250,000 (1)
250,000 - 300,000 (1)
300,000 - 350,000 (1)
400,000 - 500,000 (10)
500,000 - 600,000 (16)
600,000 - 700,000 (6)
700,000 - 800,000 (8)
800,000 - 900,000 (8)

Review Score
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(149)
(12)
(1)
(1)

Price Range
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$10 to $15 (3)
$15 to $20 (3)
$20 to $25 (5)
$25 to $30 (3)
$35 to $40 (8)
$40 to $45 (10)
$45 to $50 (6)
$50 to $60 (9)
$60 to $70 (13)
$70 to $80 (7)

Boiler Pressure Relief Valves

453 items
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Product Image of 2" LF174A Lead Free Relief Valve w/ Flood Sensor Connectivity (125 psi)
2" LF174A Lead Free Relief Valve w/ Flood Sensor Connectivity (125 psi)
SKU: F121571
Watts
SKU: F121571
Brand: Watts
(5)
$2,703.32 each
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Product Image of 260-1-1/2-45, Relief Valve 1-1/2" NPT, 45 psi (3.2 kg/cm2)
260-1-1/2-45, Relief Valve 1-1/2" NPT, 45 psi (3.2 kg/cm2)
SKU: 182825
McDonnell & Miller
SKU: 182825
Brand: McDonnell & Miller
$959.00 each
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Product Image of 19 Series 2" MNPT x 2-1/2" FNPT 7,557 LBS/HR Safety Relief Valve (100 psi)
19 Series 2" MNPT x 2-1/2" FNPT 7,557 LBS/HR Safety Relief Valve (100 psi)
SKU: 19KJHA100
Apollo Valves
SKU: 19KJHA100
Brand: Apollo Valves
$905.62 each
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Product Image of 260-1-1/2-50, Relief Valve 1-1/2 NPT, 50 psi (3.5 kg/cm2)
260-1-1/2-50, Relief Valve 1-1/2 NPT, 50 psi (3.5 kg/cm2)
SKU: 182925
McDonnell & Miller
SKU: 182925
Brand: McDonnell & Miller
$959.00 each
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Product Image of 1-1/2" RVW60 4,604,000 BTU Capacity Bronze Relief Valve, 50 psi
1-1/2" RVW60 4,604,000 BTU Capacity Bronze Relief Valve, 50 psi
SKU: 1060710
Apollo Valves
SKU: 1060710
Brand: Apollo Valves
$668.92 each
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Product Image of 1-1/2" RVW60 10,054,000 BTU Capacity Bronze Relief Valve, 125 psi
1-1/2" RVW60 10,054,000 BTU Capacity Bronze Relief Valve, 125 psi
SKU: 1060725
Apollo Valves
SKU: 1060725
Brand: Apollo Valves
$668.92 each
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Product Image of 1" MNPT x 1" FNPT RVS13 643 LBS/HR Low Pressure Steam Safety Valve (10 psi)
1" MNPT x 1" FNPT RVS13 643 LBS/HR Low Pressure Steam Safety Valve (10 psi)
SKU: 13202B10
Apollo Valves
SKU: 13202B10
Brand: Apollo Valves
$88.46 each
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Product Image of 1/2" MNPT x 1/2" FNPT Bronze Adjustable Relief Valve w/ Nitrile Disc & Seat (50-250 psi)
1/2" MNPT x 1/2" FNPT Bronze Adjustable Relief Valve w/ Nitrile Disc & Seat (50-250 psi)
SKU: 1650101
Apollo Valves
SKU: 1650101
Brand: Apollo Valves
$105.45 each
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Product Image of 19 Series 3/4" MNPT x 1" FNPT 310 LBS/HR Safety Relief Valve (15 psi)
19 Series 3/4" MNPT x 1" FNPT 310 LBS/HR Safety Relief Valve (15 psi)
SKU: 19KEDA15
Apollo Valves
SKU: 19KEDA15
Brand: Apollo Valves
$384.69 each
In Stock
Get 1 by Thu, Oct 8
In Stock
Get 1 by Thu, Oct 8
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Product Image of 2" RVW60 5,193,000 BTU Capacity Bronze Relief Valve, 30 psi
2" RVW60 5,193,000 BTU Capacity Bronze Relief Valve, 30 psi
SKU: 1060805
Apollo Valves
SKU: 1060805
Brand: Apollo Valves
$952.09 each
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Product Image of 2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
SKU: F384342
Watts
SKU: F384342
Brand: Watts
(5)
$1,442.62 each
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Product Image of 1-1/2" LF340X-8 Lead Free Relief Valve w/ Flood Sensor Connectivity (150 psi)
1-1/2" LF340X-8 Lead Free Relief Valve w/ Flood Sensor Connectivity (150 psi)
SKU: F121605
Watts
SKU: F121605
Brand: Watts
$4,390.04 each
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Product Image of 1/2" MNPT x 1/2" FNPT RVS52 232 LBS/HR Steam Safety Relief Valve (30 psi)
1/2" MNPT x 1/2" FNPT RVS52 232 LBS/HR Steam Safety Relief Valve (30 psi)
SKU: 10512B30
Apollo Valves
SKU: 10512B30
Brand: Apollo Valves
$99.83 each
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Product Image of 1/2" 18C400 15,000 BTU Capacity T & P Relief Valve - 125 psi
1/2" 18C400 15,000 BTU Capacity T & P Relief Valve - 125 psi
SKU: 18C40129
Apollo Valves
SKU: 18C40129
Brand: Apollo Valves
$38.65 each
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Product Image of 250-3/4-15, Relief Valve 3/4" NPT, 15 psi (1 kg/cm2)
250-3/4-15, Relief Valve 3/4" NPT, 15 psi (1 kg/cm2)
SKU: 181220
McDonnell & Miller
SKU: 181220
Brand: McDonnell & Miller
$163.10 each
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Product Image of 1-1/2" FVX-4 Long Shank Commercial T&P Relief Valve, 100 PSI (Female Inlet)
1-1/2" FVX-4 Long Shank Commercial T&P Relief Valve, 100 PSI (Female Inlet)
SKU: 16221-0100
Cash-Acme
SKU: 16221-0100
Brand: Cash-Acme
$785.49 each
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Product Image of 1-1/2" LF340X-8 Lead Free Automatic Reseating Pressure Relief Valve (125 psi)
1-1/2" LF340X-8 Lead Free Automatic Reseating Pressure Relief Valve (125 psi)
SKU: F121604
Watts
SKU: F121604
Brand: Watts
$4,567.58 each
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Product Image of 3/4" FNPT x 1" FNPT RVW61 746,000 BTU Bronze Hot Water Relief Valve (20 psi)
3/4" FNPT x 1" FNPT RVW61 746,000 BTU Bronze Hot Water Relief Valve (20 psi)
SKU: 1061402
Apollo Valves
SKU: 1061402
Brand: Apollo Valves
$222.43 each
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Product Image of 1/2" MNPT x 1/2" FNPT RVS52 205 LBS/HR Steam Safety Relief Valve (25 psi)
1/2" MNPT x 1/2" FNPT RVS52 205 LBS/HR Steam Safety Relief Valve (25 psi)
SKU: 10512B25
Apollo Valves
SKU: 10512B25
Brand: Apollo Valves
$89.59 each
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Product Image of 1-1/2" FVX-4 Long Shank Commercial T&P Relief Valve, 25 PSI (Female Inlet)
1-1/2" FVX-4 Long Shank Commercial T&P Relief Valve, 25 PSI (Female Inlet)
SKU: 16221-0075
Cash-Acme
SKU: 16221-0075
Brand: Cash-Acme
$785.49 each
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Product Image of 250-1-65, Relief Valve 1" NPT, 65 psi (4.6 kg/cm2)
250-1-65, Relief Valve 1" NPT, 65 psi (4.6 kg/cm2)
SKU: 182235
McDonnell & Miller
SKU: 182235
Brand: McDonnell & Miller
$251.45 each
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