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Size

3/4" (13)
1" (7)

CSA Rating (BTU/HR)

100,000 - 199,999 (1)
200,000 - 299,999 (10)
400,000 - 499,999 (3)
500,000 - 599,999 (3)

ASME Rating (BTU/HR)

1,000,000 - 1,499,999 (11)
2,000,000 - 2,499,999 (6)

Pressure Set Point

125 (2)
150 (18)

Thermostat Length

2" (3)
3" (3)
4" (1)
5" (6)
6" (1)
7" (2)
8" (4)

Review Score

(7)

Price Range

$10 to $15 (1)
$100 to $200 (3)
$200 to $300 (4)
$300 to $400 (7)
$400 to $500 (2)
$500 to $600 (2)
$600 to $700 (1)
$1000 to $1500 (1)

Watts 40L & 40XL T&P Relief Valves

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3/4" 40XL-5 Lead Free T&P Relief Valve w/ Flood Sensor Connectivity (125 psi)
$527.60 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
3/4" LF40L-3 Lead Free T&P Relief Valve w/ Flood Sensor Connectivity (150 psi)
$365.76 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
3/4" 40XL-5 T&P Relief Valve w/ Flood Sensor Connectivity (125 psi)
$349.39 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
3/4" LLL40XL T&P Relief Valve, Lead Free w/ Flood Sensor Connectivity (150 psi)
$606.46 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
3/4" 40L-3 T&P Relief Valve (150 psi)
3/4" 40L-3 T&P Relief Valve (150 psi)
SKU: 0153614
Watts
SKU: 0153614
Brand: Watts
$189.84 each
Get 3 by Wed, Dec 6
More Available
Get 3 by Wed, Dec 6
More Available
Compare
3/4" 40XL-5 Lead Free T&P Relief Valve (150 psi)
$253.44 each
Get 52 by Wed, Dec 6
More Available
Get 52 by Wed, Dec 6
More Available
Compare
3/4" 40XL-5 T&P Relief Valve (150 psi)
3/4" 40XL-5 T&P Relief Valve (150 psi)
SKU: 0156731
Watts
SKU: 0156731
Brand: Watts
(10)
$145.94 each
Get 4 by Wed, Dec 6
Get 4 by Wed, Dec 6
Compare
3/4" 40XL-5 T&P Relief Valve w/ Flood Sensor Connectivity (150 psi)
$138.26 each
Get 15 by Wed, Dec 6
More Available
Get 15 by Wed, Dec 6
More Available
Compare
3/4" 40XL-8 T&P Relief Valve w/ Flood Sensor Connectivity (150 psi)
$260.84 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
3/4" LF40XL-8 Lead Free T&P Relief Valve w/ Flood Sensor Connectivity (150 psi)
$338.03 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
3/4" 40XL-8 T&P Relief Valve (150 psi)
3/4" 40XL-8 T&P Relief Valve (150 psi)
SKU: 0158774
Watts
SKU: 0158774
Brand: Watts
$260.84 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
3/4" 40XL-8 Lead Free T&P Relief Valve (150 psi)
$348.72 each
Get 17 by Wed, Dec 6
Get 17 by Wed, Dec 6
Compare
3/4" 40XL-M15 Lead Free T&P Relief Valve (150 psi)
$577.28 each
Get 5 by Wed, Dec 6
More Available
Get 5 by Wed, Dec 6
More Available
Compare
1" LF40XL-4 Lead Free T&P Relief Valve (150 psi)
$297.22 each
Get 17 by Wed, Dec 6
More Available
Get 17 by Wed, Dec 6
More Available
Compare
1" LF40L-2 Lead Free T&P Relief Valve w/ Flood Sensor Connectivity (150 psi)
$471.70 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
1" 40L-2 T&P Relief Valve (150 psi)
1" 40L-2 T&P Relief Valve (150 psi)
SKU: 0154830
Watts
SKU: 0154830
Brand: Watts
$357.15 each
Get 1 by Thu, Dec 7
Get 1 by Thu, Dec 7
Compare
1" 40L-2 T&P Relief Valve w/ Flood Sensor Connectivity (150 psi)
$357.15 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
1" 40XL-7 T&P Relief Valve (150 psi)
1" 40XL-7 T&P Relief Valve (150 psi)
SKU: 0163765
Watts
SKU: 0163765
Brand: Watts
(1)
$321.68 each
Get 12 by Wed, Dec 6
More Available
Get 12 by Wed, Dec 6
More Available
Compare
1" LF40XL-7 Lead Free T&P Relief Valve (150 psi)
$440.77 each
Get 22.1 by Wed, Dec 6
More Available
Get 22.1 by Wed, Dec 6
More Available
Compare
1" LFLL40XL Automatic Reseating T&P Relief Valve, Lead Free w/ Flood Sensor Connectivity (150 psi)
$1,094.64 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
Compare
100DT 3/4" Drain Tube for Side-Mounted T&P Relief Valves
$10.54 each
Get it by Thu, Jan 4 - Thu, Feb 1
Get it by Thu, Jan 4 - Thu, Feb 1
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Filter & Sort
21 items
Reset

SORT

Top Sellers
Default
Price ▲
Price ▼

Product Availability

Show In Stock Only (10)

Size

3/4" (13)
1" (7)

CSA Rating (BTU/HR)

100,000 - 199,999 (1)
200,000 - 299,999 (10)
400,000 - 499,999 (3)
500,000 - 599,999 (3)

ASME Rating (BTU/HR)

1,000,000 - 1,499,999 (11)
2,000,000 - 2,499,999 (6)

Pressure Set Point

125 (2)
150 (18)

Thermostat Length

2" (3)
3" (3)
4" (1)
5" (6)
6" (1)
7" (2)
8" (4)

Review Score

(7)

Price Range

$10 to $15 (1)
$100 to $200 (3)
$200 to $300 (4)
$300 to $400 (7)
$400 to $500 (2)
$500 to $600 (2)
$600 to $700 (1)
$1000 to $1500 (1)
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