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Show In Stock Only (16)

Pressure Set Point
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30 (5)
36 (1)
40 (4)
45 (5)
50 (5)
60 (5)
70 (1)
75 (4)

Capacity (BTU)
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20,000 - 30,000 (1)
900,000 - 1,000,000 (1)
1,000,000 - 2,000,000 (9)
2,000,000 - 3,000,000 (5)
3,000,000 - 4,000,000 (3)
4,000,000 - 5,000,000 (2)
5,000,000 - 6,000,000 (3)
6,000,000 - 7,000,000 (1)
7,000,000 - 8,000,000 (2)
8,000,000 - 9,000,000 (1)

Size
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3/4" (6)
1" (12)
1-1/4" (11)
1-1/2" (5)
2" (12)
2-1/2" (7)

Review Score
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(6)
(20)

Price Range
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$100 to $200 (2)
$200 to $300 (4)
$300 to $400 (4)
$400 to $500 (4)
$500 to $600 (4)
$600 to $700 (2)
$700 to $800 (1)
$900 to $1000 (4)
$1000 to $1500 (5)

Watts 740 Boiler Pressure Relief Valves

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Product Image of 3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
SKU: F382008
Watts
SKU: F382008
Brand: Watts
(19)
$244.31 each
In Stock
Get 4 by Tue, Jun 9
In Stock
Get 4 by Tue, Jun 9
Compare
Product Image of 3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
SKU: F382328
Watts
SKU: F382328
Brand: Watts
(6)
$244.31 each
In Stock
Get 2 by Fri, Jun 12
In Stock
Get 2 by Fri, Jun 12
Compare
Product Image of 1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
SKU: F383020
Watts
SKU: F383020
Brand: Watts
(19)
$477.38 each
In Stock
Get 10 by Tue, Jun 9
In Stock
Get 10 by Tue, Jun 9
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
SKU: F382570
Watts
SKU: F382570
Brand: Watts
(19)
$276.84 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of 1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
SKU: F383310
Watts
SKU: F383310
Brand: Watts
(6)
$437.73 each
In Stock
Get 4 by Tue, Jun 9
In Stock
Get 4 by Tue, Jun 9
Compare
Product Image of 2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
SKU: F384042
Watts
SKU: F384042
Brand: Watts
(19)
$976.76 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (30 psi)
SKU: F383542
Watts
SKU: F383542
Brand: Watts
(19)
$588.38 each
In Stock
Get 4 by Tue, Jun 9
In Stock
Get 4 by Tue, Jun 9
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
SKU: F382820
Watts
SKU: F382820
Brand: Watts
(6)
$314.73 each
In Stock
Get 6 by Wed, Jun 10
In Stock
Get 6 by Wed, Jun 10
Compare
Product Image of 2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
SKU: F384292
Watts
SKU: F384292
Brand: Watts
(6)
$952.29 each
In Stock
Get 1 by Thu, Jun 11
In Stock
Get 1 by Thu, Jun 11
Compare
Product Image of 3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
SKU: F382456
Watts
SKU: F382456
Brand: Watts
(1)
$180.10 each
In Stock
Get 21 by Tue, Jun 9
In Stock
Get 21 by Tue, Jun 9
Compare
Product Image of 1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (50 psi)
SKU: F383792
Watts
SKU: F383792
Brand: Watts
(6)
$933.62 each
In Stock
Get 3 by Thu, Jun 11
In Stock
Get 3 by Thu, Jun 11
Compare
Product Image of 3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
SKU: F382392
Watts
SKU: F382392
Brand: Watts
$231.34 each
In Stock
Get 2 by Fri, Jun 12
In Stock
Get 2 by Fri, Jun 12
Compare
Product Image of 1-1/4" x 1-1/2" Series 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
1-1/4" x 1-1/2" Series 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
SKU: F383368
Watts
SKU: F383368
Brand: Watts
(5)
$531.51 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
SKU: F382821
Watts
SKU: F382821
Brand: Watts
(1)
$337.34 each
In Stock
Get 2 by Tue, Jun 9
In Stock
Get 2 by Tue, Jun 9
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
SKU: F382870
Watts
SKU: F382870
Brand: Watts
(5)
$440.46 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of 3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
SKU: F382024
Watts
SKU: F382024
Brand: Watts
$191.51 each
In Stock
Get 5 by Tue, Jun 9
In Stock
Get 5 by Tue, Jun 9
Compare
Product Image of 1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
SKU: F383025
Watts
SKU: F383025
Brand: Watts
(19)
$509.78 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of 1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
SKU: F383800
Watts
SKU: F383800
Brand: Watts
(5)
$1,007.57 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of 2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
SKU: F384442
Watts
SKU: F384442
Brand: Watts
(1)
$1,158.26 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of 3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
3/4" x 1" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
SKU: F382264
Watts
SKU: F382264
Brand: Watts
(1)
$350.66 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
SKU: F384242
Watts
SKU: F384242
Brand: Watts
(1)
$1,085.80 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
SKU: F382818
Watts
SKU: F382818
Brand: Watts
(1)
$339.74 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
SKU: F382589
Watts
SKU: F382589
Brand: Watts
$467.45 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of 2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (36 psi)
2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (36 psi)
SKU: F384044
Watts
SKU: F384044
Brand: Watts
$1,000.12 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
SKU: F383742
Watts
SKU: F383742
Brand: Watts
(1)
$694.36 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
1-1/2" x 2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
SKU: F383942
Watts
SKU: F383942
Brand: Watts
(1)
$786.64 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
2" x 2-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (40 psi)
SKU: F384240
Watts
SKU: F384240
Brand: Watts
(19)
$942.14 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
SKU: F383308
Watts
SKU: F383308
Brand: Watts
(1)
$656.87 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (70 psi)
1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (70 psi)
SKU: F383482
Watts
SKU: F383482
Brand: Watts
(1)
$580.21 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
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
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
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