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Combo Pressure Valves

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More About Combo Pressure Valves

This category contains fill valve and backflow preventer combinations. These valves are designed to provide make-up water to the boiler and prevent backflow when supply pressure falls below system pressure.
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B911, 1/2" Bronze Combination Fill Valve & Backflow Preventer (NPT x NPT)
$202.27 each
In Stock
Get 459 by Wed, Oct 16
More Available
In Stock
Get 459 by Wed, Oct 16
More Available
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1/2" FM911 Backflow Preventer & Boiler Fill Valve Assembly (NPT or Sweat)
$117.96 each
In Stock
Get 191 by Wed, Oct 16
More Available
In Stock
Get 191 by Wed, Oct 16
More Available
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1/2" Brass Combination Boiler Feed Valve & Backflow (Sweat x NPT)
$125.80 each
In Stock
Get 20 by Wed, Oct 16
More Available
In Stock
Get 20 by Wed, Oct 16
More Available
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F-3 Dual Unit Valve w/ Fast Fill (Lead Free)
$204.26 each
In Stock
Get 29 by Wed, Oct 16
More Available
In Stock
Get 29 by Wed, Oct 16
More Available
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1/2" Boiler Feed Combination (NPT or Sweat)
$203.95 each
In Stock
Get 10 by Wed, Oct 16
More Available
In Stock
Get 10 by Wed, Oct 16
More Available
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1/2" 1450F Pressure Regulator & Relief Combo (Threaded)
$199.52 each
In Stock
Get 4 by Wed, Oct 16
More Available
In Stock
Get 4 by Wed, Oct 16
More Available
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1/2" Boiler Feed Combination w/ Union Press Fitting Connections (NPT or Sweat)
$220.94 each
Backorder
Get it by Tue, Nov 5 - Tue, Nov 12
Backorder
Get it by Tue, Nov 5 - Tue, Nov 12
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Union Seal Washer (Pack of 10)
$24.19 each
In Stock
Get 2 by Wed, Oct 16
More Available
In Stock
Get 2 by Wed, Oct 16
More Available
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B911S, 1/2" Bronze Combination Fill Valve & Backflow Preventer (Sweat x NPT)
$202.27 each
In Stock
Get 136 by Wed, Oct 16
More Available
In Stock
Get 136 by Wed, Oct 16
More Available
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1/2" Brass Combination Boiler Feed Valve & Backflow (NPT x NPT)
$128.05 each
In Stock
Get 37 by Wed, Oct 16
More Available
In Stock
Get 37 by Wed, Oct 16
More Available
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F-3TU Dual Unit Pressure Reducing Valve w/ Fast Fill Feature (Lead Free)
$224.04 each
In Stock
Get 6 by Wed, Oct 16
More Available
In Stock
Get 6 by Wed, Oct 16
More Available
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1/2" S1450F Pressure Regulator & Relief Combo (Sweat)
$285.81 each
Backorder
Get it by Tue, Nov 12 - Wed, Dec 11
Backorder
Get it by Tue, Nov 12 - Wed, Dec 11
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Model 8 Dual Unit Pressure Reducing Valve (Lead Free)
$164.84 each
In Stock
Get 22 by Wed, Oct 16
More Available
In Stock
Get 22 by Wed, Oct 16
More Available
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1/2" Cast Iron Combination Boiler Feed Valve & Backflow (NPT x NPT)
$106.10 each
In Stock
Get 28 by Wed, Oct 16
More Available
In Stock
Get 28 by Wed, Oct 16
More Available
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1/2" T1450F Pressure Regulator & Relief Combo (Union Threaded)
$165.35 each
In Stock
Get 15 by Wed, Oct 16
More Available
In Stock
Get 15 by Wed, Oct 16
More Available
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1/2" 573 Backflow Preventer and AutoFill Combination w/ Pressure Gauge (NPT x NPT)
$157.01 each
In Stock
Get 87 by Wed, Oct 16
More Available
In Stock
Get 87 by Wed, Oct 16
More Available
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1/2" Cast Iron Combination Boiler Feed Valve & Backflow (Sweat x NPT)
$111.56 each
In Stock
Get 66 by Wed, Oct 16
More Available
In Stock
Get 66 by Wed, Oct 16
More Available
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1/2" 573 Backflow Preventer & AutoFill Combination w/ Pressure Gauge (Sweat x NPT)
$178.26 each
In Stock
Get 62 by Wed, Oct 16
More Available
In Stock
Get 62 by Wed, Oct 16
More Available
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1/2" 573 Backflow Preventer and AutoFill Combination (NPT x NPT)
$132.68 each
In Stock
Get 240 by Wed, Oct 16
More Available
In Stock
Get 240 by Wed, Oct 16
More Available
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1/2" 573 Backflow Preventer and AutoFill Combination (Sweat x NPT)
$127.22 each
In Stock
Get 172 by Wed, Oct 16
More Available
In Stock
Get 172 by Wed, Oct 16
More Available
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Complete Valve Insert for NK300S-100 and NK300S-100UP, w/out Sieve
$41.26 each
Backorder
Get it by Tue, Nov 12 - Wed, Dec 11
Backorder
Get it by Tue, Nov 12 - Wed, Dec 11
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1/2" 573 Backflow Preventer and AutoFill Combination w/ Pressure Gauge (Press x Press)
$182.15 each
In Stock
Get 107 by Wed, Oct 16
More Available
In Stock
Get 107 by Wed, Oct 16
More Available
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1/4" NPT Blanking Plug w/ O-Ring for NK300S-100 & NK300S-UP
$16.75 each