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3" (12)
4" (4)
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125 (6)
150 (13)

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(3)

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$30 to $35 (3)
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$70 to $80 (1)
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Home
Heating Supplies & Parts
Relief Valves
Temperature & Pressure Relief Valves
Apollo Valves T&P Valves

Apollo Valves T&P Valves

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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)
3/4" MNPT x 3/4" FNPT 18C400 105,000 BTU Capacity T & P Relief Valve w/ 3" Probe (150 psi)
SKU: 18C40230
Apollo Valves
SKU: 18C40230
Brand: Apollo Valves
$33.66 each
In Stock
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Get 15 by Mon, Jul 14
In Stock
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Product Image of 3/4" FNPT x 3/4" FNPT Commercial ASME T&P Relief Valve (3" Element, 125 psi)
3/4" FNPT x 3/4" FNPT Commercial ASME T&P Relief Valve (3" Element, 125 psi)
SKU: 18C5123125
Apollo Valves
SKU: 18C5123125
Brand: Apollo Valves
(1)
$184.88 each
In Stock
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Get 3 by Mon, Jul 14
In Stock
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Product Image of 1" Commercial ASME T&P Relief Valve (8" Element, 150 psi)
1" Commercial ASME T&P Relief Valve (8" Element, 150 psi)
SKU: 18C5228150
Apollo Valves
SKU: 18C5228150
Brand: Apollo Valves
$412.86 each
In Stock
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Get 7 by Mon, Jul 14
In Stock
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Get 7 by Mon, Jul 14
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Product Image of 1" FNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
1" FNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
SKU: 18C5225150
Apollo Valves
SKU: 18C5225150
Brand: Apollo Valves
(1)
$314.03 each
In Stock
Get 3 by Tue, Jul 15
In Stock
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Product Image of 3/4" FNPT x 3/4" FNPT Commercial ASME T&P Relief Valve (3" Element, 150 psi)
3/4" FNPT x 3/4" FNPT Commercial ASME T&P Relief Valve (3" Element, 150 psi)
SKU: 18C5123150
Apollo Valves
SKU: 18C5123150
Brand: Apollo Valves
$230.28 each
In Stock
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Get 4 by Mon, Jul 14
In Stock
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Product Image of 1-1/2" MNPT x 1-1/2" FNPT Commercial ASME T&P Relief Valve (4" Element, 150 psi)
1-1/2" MNPT x 1-1/2" FNPT Commercial ASME T&P Relief Valve (4" Element, 150 psi)
SKU: 18C5424150
Apollo Valves
SKU: 18C5424150
Brand: Apollo Valves
$1,166.34 each
In Stock
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Get 6 by Mon, Jul 14
In Stock
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Product Image of 3/4" ASME Temperature and Pressure Relief Valve, 150 psi
3/4" ASME Temperature and Pressure Relief Valve, 150 psi
SKU: 18C402X38
Apollo Valves
SKU: 18C402X38
Brand: Apollo Valves
$79.86 each
In Stock
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Get 4 by Mon, Jul 14
In Stock
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Product Image of 1-1/4" MNPT x 1" FNPT Commercial ASME T&P Relief Valve (4" Element, 150 psi)
1-1/4" MNPT x 1" FNPT Commercial ASME T&P Relief Valve (4" Element, 150 psi)
SKU: 18C5314150
Apollo Valves
SKU: 18C5314150
Brand: Apollo Valves
$488.82 each
In Stock
Fast Track Logo
Get 5 by Mon, Jul 14
In Stock
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Product Image of 1" MNPT Commercial ASME T&P Relief Valve (5" Element, 125 psi)
1" MNPT Commercial ASME T&P Relief Valve (5" Element, 125 psi)
SKU: 18C5215125
Apollo Valves
SKU: 18C5215125
Brand: Apollo Valves
$309.13 each
In Stock
Get 1 by Tue, Jul 15
In Stock
Get 1 by Tue, Jul 15
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Product Image of 1" MNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
1" MNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
SKU: 18C5215150
Apollo Valves
SKU: 18C5215150
Brand: Apollo Valves
$531.66 each
In Stock
Fast Track Logo
Get 1 by Mon, Jul 14
In Stock
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Get 1 by Mon, Jul 14
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Product Image of 1" Commercial ASME T&P Relief Valve (8" Element, 125 psi)
1" Commercial ASME T&P Relief Valve (8" Element, 125 psi)
SKU: 18C5228125
Apollo Valves
SKU: 18C5228125
Brand: Apollo Valves
$331.84 each
In Stock
Fast Track Logo
Get 1 by Mon, Jul 14
In Stock
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Get 1 by Mon, Jul 14
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Product Image of 3/4" Commercial ASME T&P Relief Valve (3" Element, 150 psi)
3/4" Commercial ASME T&P Relief Valve (3" Element, 150 psi)
SKU: 18C5113150
Apollo Valves
SKU: 18C5113150
Brand: Apollo Valves
$178.06 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
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Product Image of 3/4" MNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
3/4" MNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
SKU: 18C5115150
Apollo Valves
SKU: 18C5115150
Brand: Apollo Valves
$185.46 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 3/4" 18C400 105,000 BTU Capacity T & P Relief Valve - 125 psi
3/4" 18C400 105,000 BTU Capacity T & P Relief Valve - 125 psi
SKU: 18C40229
Apollo Valves
SKU: 18C40229
Brand: Apollo Valves
$33.06 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
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Product Image of 1-1/2" TPC 5,125,000 BTU Capacity T & P Relief Valve w/ 4" Element
1-1/2" TPC 5,125,000 BTU Capacity T & P Relief Valve w/ 4" Element
SKU: 18C5424125
Apollo Valves
SKU: 18C5424125
Brand: Apollo Valves
$964.40 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
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Product Image of 3/4" FNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
3/4" FNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
SKU: 18C5125150
Apollo Valves
SKU: 18C5125150
Brand: Apollo Valves
$242.47 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
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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
$31.59 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
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Product Image of 1" TPC 1,825,000 BTU Capacity T & P Relief Valve w/ 3" Element
1" TPC 1,825,000 BTU Capacity T & P Relief Valve w/ 3" Element
SKU: 18C5213125
Apollo Valves
SKU: 18C5213125
Brand: Apollo Valves
$291.86 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
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Product Image of 1-1/4" TPC 3,070,000 BTU Capacity T & P Relief Valve w/ 4" Element
1-1/4" TPC 3,070,000 BTU Capacity T & P Relief Valve w/ 4" Element
SKU: 18C5314125
Apollo Valves
SKU: 18C5314125
Brand: Apollo Valves
$426.37 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 1" TPC 2,155,000 BTU Capacity T & P Relief Valve w/ 3" Element (150 PSI)
1" TPC 2,155,000 BTU Capacity T & P Relief Valve w/ 3" Element (150 PSI)
SKU: 18C5213150
Apollo Valves
SKU: 18C5213150
Brand: Apollo Valves
$473.60 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 2" MNPT x 1-1/2" FNPT Commercial ASME T&P Relief Valve (3" Element, 125 psi)
2" MNPT x 1-1/2" FNPT Commercial ASME T&P Relief Valve (3" Element, 125 psi)
SKU: 18C5513125
Apollo Valves
SKU: 18C5513125
Brand: Apollo Valves
$1,271.03 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 3/4" TPC 1,619,000 BTU Capacity T & P Relief Valve w/ 5" Element
3/4" TPC 1,619,000 BTU Capacity T & P Relief Valve w/ 5" Element
SKU: 18C5115125
Apollo Valves
SKU: 18C5115125
Brand: Apollo Valves
(1)
$185.46 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 3/4" Commercial ASME T&P Relief Valve (8" Element, 150 psi)
3/4" Commercial ASME T&P Relief Valve (8" Element, 150 psi)
SKU: 18C5128150
Apollo Valves
SKU: 18C5128150
Brand: Apollo Valves
$231.03 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 2" MNPT x 1-1/2" FNPT Commercial ASME T&P Relief Valve (3" Element, 150 psi)
2" MNPT x 1-1/2" FNPT Commercial ASME T&P Relief Valve (3" Element, 150 psi)
SKU: 18C5513150
Apollo Valves
SKU: 18C5513150
Brand: Apollo Valves
$997.19 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 1" FNPT Commercial ASME T&P Relief Valve (5" Element, 125 psi)
1" FNPT Commercial ASME T&P Relief Valve (5" Element, 125 psi)
SKU: 18C5225125
Apollo Valves
SKU: 18C5225125
Brand: Apollo Valves
$328.55 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 3/4" Commercial ASME T&P Relief Valve (3" Element, 125 psi)
3/4" Commercial ASME T&P Relief Valve (3" Element, 125 psi)
SKU: 18C5113125
Apollo Valves
SKU: 18C5113125
Brand: Apollo Valves
$196.14 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Compare
Product Image of 3/4" 18C400 105,000 BTU Capacity T & P Relief Valve w/ Extended Shank - 125 psi
3/4" 18C400 105,000 BTU Capacity T & P Relief Valve w/ Extended Shank - 125 psi
SKU: 18C402X39
Apollo Valves
SKU: 18C402X39
Brand: Apollo Valves
$51.67 each
Backorder
Get it by Fri, Aug 8 - Mon, Sep 8
Backorder
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1/2" (1)
3/4" (12)
1" (9)
1-1/4" (2)
1-1/2" (4)
2" (2)

Thermostat Length
–

3" (12)
4" (4)
5" (7)
8" (3)

Pressure Set Point
–

125 (6)
150 (13)

Review Score
–

(3)

Price Range
–

$30 to $35 (3)
$50 to $60 (1)
$70 to $80 (1)
$100 to $200 (5)
$200 to $300 (4)
$300 to $400 (4)
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