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Apollo Valves (182)
Bell & Gossett (14)
Caleffi (3)
Cash-Acme (46)
McDonnell & Miller (20)
SharkBite (1)
Watts (172)
Webstone (1)
Zurn (13)

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1/2" (36)
3/4" (193)
1" (113)
1-1/4" (62)
1-1/2" (67)
2" (52)
2-1/2" (17)
3" (2)

Pressure Set Point

10 (3)
100 (32)
110 (1)
125 (56)
130 (1)
15 (24)
150 (113)
160 (3)
175 (6)
20 (3)

Capacity (BTU)

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

(147)
(12)
(1)
(1)

Price Range

$10 to $15 (4)
$15 to $20 (3)
$20 to $25 (4)
$25 to $30 (3)
$35 to $40 (8)
$40 to $45 (9)
$45 to $50 (7)
$50 to $60 (9)
$60 to $70 (13)
$70 to $80 (5)

Boiler Pressure Relief Valves

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Product Image of 3/4" MNPT x 3/4" FNPT RVW30 550,000 BTU Hot Water Relief Valve, 30 PSIG (Brass Finish)
3/4" MNPT x 3/4" FNPT RVW30 550,000 BTU Hot Water Relief Valve, 30 PSIG (Brass Finish)
SKU: 1030105
Apollo Valves
SKU: 1030105
(1)
$90.19 each
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Product Image of 3/4" MNPT x 3/4" FNPT 18C400 105,000 BTU Capacity T & P Relief Valve w/ 3" Probe (150 psi)
$41.19 each
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Product Image of 3/4" FNPT x 1" FNPT RVW61 1,641,000 BTU Bronze Hot Water Relief Valve (60 psi)
$118.07 each
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Product Image of 1" Commercial ASME T&P Relief Valve (8" Element, 150 psi)
$449.05 each
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Product Image of 1-1/4" 174A ASME Boiler Pressure Relief Valves w/ Flood Sensor Connectivity (50 psi)
$509.83 each
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Product Image of 1" FNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
$394.05 each
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Product Image of 19 Series 3/4" MNPT x 1" FNPT 1,152 LBS/HR Safety Relief Valve (100 psi)
$346.25 each
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Product Image of 1-1/4" MNPT x 1" FNPT Commercial ASME T&P Relief Valve (4" Element, 150 psi)
$199.99 each
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Product Image of 1170-30 1170K Relief Valve
$265.87 each
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Product Image of 1" FNPT RVW60 1,339,000 BTU Bronze Hot Water Relief Valve, 30 PSIG
$305.94 each
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Product Image of 3/4" MNPT x 3/4" FNPT RVW40 477,000 BTU Hot Water Relief Valve, 30 PSIG (Brass Finish)
$59.46 each
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Product Image of 3/4" FVMX-3C Commercial T&P Relief Valve (Male Inlet)
$132.79 each
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Product Image of 3/4" FNPT x 1" FNPT RVW61 3,096,000 BTU Hot Water Pressure Relief Valve, 125 psi
$229.53 each
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Product Image of 1170-125, 3,735,000 BTU Capacity Relief Valve
$281.52 each
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Product Image of 790-75, 1,615,000 BTU Capacity Relief Valve
$266.44 each
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Product Image of 19 Series 1-1/2" MNPT x 2" FNPT 6,616 LBS/HR Safety Relief Valve (150 psi)
$560.25 each
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Product Image of 3/4" F82 Medium Capacity Pressure Relief Valve, 50 PSI (Lead Free)
$106.74 each
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Product Image of 1/2" 53L Poppet Type Pressure Relief Valve (100 psi)
$89.05 each
Out of Stock
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Product Image of 1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
$509.78 each
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Product Image of 1/2" MNPT x 1/2" FNPT Bronze Adjustable Relief Valve w/ PTFE Disc & Seat (50-250 psi)
$63.00 each
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Product Image of 2-1/2" MNPT x 2-1/2" FNPT RVS12 3,529 LBS/HR Capacity Low Pressure Relief Valve (15 psi)
$623.80 each
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Product Image of 3/4" MNPT x 1" FNPT RVW10 710,000 BTU Hot Water Relief Valve, 30 PSIG (Brass Finish)
$109.79 each
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Product Image of 1" FNPT x 1-1/4" FNPT RVW61 2,657,000 BTU Bronze Hot Water Relief Valve (60 psi)
$361.42 each
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Product Image of 790-125, 2,535,000 BTU Capacity Relief Valve
$274.95 each
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Product Image of 3/4" FVMX-5C Commercial T&P Relief Valve, Lead Free (Male Inlet)
$108.94 each
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Product Image of 3/4" LFTWHG2 Tankless Heater Valve Set (150 psi)
$155.41 each
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Product Image of 3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
$191.51 each
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Product Image of 3/4" FNPT RVW60 1,399,000 BTU Bronze Hot Water Relief Valve, 60 PSIG
$179.91 each
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Product Image of 1" LF140X-6 Lead Free Relief Valve w/ Extension Thermostat w/ Flood Sensor Connectivity (150 psi)
$1,026.27 each
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Product Image of 3/4" MNPT x 3/4" FNPT RVS32 425 LBS/HR Safety Relief Valve, Polished Chrome (30 psi)
$216.95 each
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Product Image of 3/4" ASME Temperature and Pressure Relief Valve, 150 psi
$85.54 each
In Stock
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Product Image of 1-1/4" 174A Relief Valve w/ Flood Sensor Connectivity (100 psi)
$732.33 each
Out of Stock
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Product Image of 1-1/4" x 1" FVMX-4L Commercial T&P Relief Valve (Male Inlet, Long Shank)
$420.92 each
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Product Image of 2-1/2" MNPT x 2-1/2" FNPT RVS14 4676 BTU High Capacity Low Pressure Safety Valve (15 psi)
$946.13 each
In Stock
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Product Image of L100XL-100210, 3/4" Extended Shank T & P Relief Valve
$61.68 each
Out of Stock
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Product Image of 1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
$1,007.57 each
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Product Image of 3/4" FVMX-1LS Commercial T&P Relief Valve, Lead Free (Male Inlet)
$674.37 each
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Product Image of 1-1/4" RVW61 4,720,000 BTU Capacity Bronze Relief Valve, 75 psi
$373.23 each
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Product Image of 3/4" LF10L-2, T & P Relief Valve, Lead Free - 150 psi
$78.99 each
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Product Image of 3/4" MNPT x 3/4" FNPT RVS32 425 LBS/HR Safety Relief Valve, Polished Chrome (25 psi)
$247.46 each
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Product Image of 1-1/4" FNPT x 1-1/2" FNPT RVW61 3,969,000 BTU Bronze Hot Water Relief Valve (50 psi)
$227.67 each
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Product Image of 1/2" MNPT Vacuum Relief Valve
1/2" MNPT Vacuum Relief Valve
SKU: 304040A
Caleffi
SKU: 304040A
Brand: Caleffi
$37.95 each
In Stock
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Product Image of 1" FVX-5L Commercial T&P Relief Valve, 125 psi (Female Inlet)
$345.41 each
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Product Image of 1" FNPT RVW60 5,044,000 BTU Bronze Hot Water Relief Valve (150 psi)
$319.67 each
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Product Image of 2" FNPT x 2-1/2" FNPT RVW61 6,091,000 BTU Bronze Hot Water Relief Valve (30 psi)
$746.66 each
Out of Stock
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Product Image of 1" FNPT RVW60 2,728,000 BTU Bronze Hot Water Relief Valve, 75 PSIG
$278.17 each
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Product Image of 1-1/4" RVW60 2,316,000 BTU Capacity Bronze Relief Valve, 30 psi
$384.41 each
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