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Hydronic Valves & Flow Control

38 Products

Regulate water flow and system pressure with our hydronic valves and flow control devices. We offer balancing valves, check valves, and pressure-reducing valves to maintain optimal performance in heating systems.
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Thermal Actuator Valve 4-Wire
Stream33
SKUS33ACT4

$79.61

each
20 In Stock

Bulk discount may be available, please contact our support team for details.

or - Free Same Day Shipping & Lower Pricing.
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1 in Automatic Reseating Valve, Male NPTF x Female NPTF, 210 deg F
Watts
SKUF556008

$557.12

each
Out of Stock
or - Free Same Day Shipping & Lower Pricing.
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1 in Ball Valve Press Brass Full Port
Webstone
SKUH-88614

$106.02

each
1 In Stock

Bulk discount may be available, please contact our support team for details.

or - Free Same Day Shipping & Lower Pricing.
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1 in Nominal Straight Angle Pattern Flow Control Valve NPT End Style
Bell & Gossett
SKU107018

$103.17

each
Out of Stock
or - Free Same Day Shipping & Lower Pricing.
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1 in Safety Relief Valve, 30 psig, 1170 Series, Bronze
Bell & Gossett
SKU110129

$263.20

each
1 In Stock
or - Free Same Day Shipping & Lower Pricing.
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1 in Isolator Ball Valve, Rotating Flange, With Drain, Press
Webstone
SKUH-81414HV

$91.28

each
20 In Stock

Bulk discount may be available, please contact our support team for details.

or - Free Same Day Shipping & Lower Pricing.
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1-1/2 in Circuit Setter Balancing Valve
Bell & Gossett
SKU117104LF

$254.28

each
3 In Stock
or - Free Same Day Shipping & Lower Pricing.
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1-1/4 in Flo-Control Valve, Straight/Angle Pattern
Bell & Gossett
SKU107019

$142.48

each
1 In Stock
or - Free Same Day Shipping & Lower Pricing.
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1/2 in Ball Valve FNPT x MNPT x Hose Forged Brass Full Port
Webstone
SKUH-41672

$46.84

each
203 In Stock
or - Free Same Day Shipping & Lower Pricing.
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1/2 in Brass B-38 Lead Free Pressure Reducing Valve
Bell & Gossett
SKU110190

$101.07

each
4 In Stock
or - Free Same Day Shipping & Lower Pricing.
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1/2 in Brass B-38 Pressure Reducing Valve
Bell & Gossett
SKU110192

$105.98

each
274 In Stock

Bulk discount may be available, please contact our support team for details.

or - Free Same Day Shipping & Lower Pricing.
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1/2 in MNPT Low Profile Vacuum Relief Valve
Watts
SKU0556030

$70.79

each
7 In Stock
or - Free Same Day Shipping & Lower Pricing.
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101-A Electric Water Feeder, 24 VDC, 120 deg F, 2,350,000 Btu/hr, 150 psi
McDonnell & Miller
SKU169500

$1,015.63

each
3 In Stock
or - Free Same Day Shipping & Lower Pricing.
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150S Mechanical Low Water Cut-Off
McDonnell & Miller
SKU171702

$1,166.01

each
5 In Stock
or - Free Same Day Shipping & Lower Pricing.
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150S Mechanical Low Water Cut-Off With Maximum Differential
McDonnell & Miller
SKU171802

$1,478.30

each
6 In Stock
or - Free Same Day Shipping & Lower Pricing.
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150S-HD Head Mechanism, For Use With: 150S Series Low Water Cut-Offs/Pump Controllers
McDonnell & Miller
SKU173003

$1,082.28

each
12 In Stock
or - Free Same Day Shipping & Lower Pricing.
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175 psig pressure Air Control Tank Fitting, ATF-12
Bell & Gossett
SKU112010

$193.20

each
3 In Stock
or - Free Same Day Shipping & Lower Pricing.
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3/4 in Automatic Reseating Valve, Male NPTF x Female NPTF, 210 deg F
Watts
SKUF556016

$352.69

each
3 In Stock
or - Free Same Day Shipping & Lower Pricing.
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3/4 in Ball Valve With Actuator Ready Pad FNPT Bronze Standard Port
Apollo
SKU71-AR4-64

$133.50

each
8 In Stock

Bulk discount may be available, please contact our support team for details.

or - Free Same Day Shipping & Lower Pricing.
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3/4 in Domestic Water Mixing Valve
Taco
SKU5123-C2

$142.11

each
4 In Stock
or - Free Same Day Shipping & Lower Pricing.
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3/4 in Isolation Flange Valve
Bell & Gossett
SKU101221

$85.63

each
Out of Stock
or - Free Same Day Shipping & Lower Pricing.
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3/4 in MNPT Low Profile Vacuum Relief Valve
Watts
SKU0556031

$89.01

each
Out of Stock
or - Free Same Day Shipping & Lower Pricing.
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3/4 in Pro-Connect Press® Clean Brass® Ball Drain Valve
Webstone
SKUH-80613W

$59.19

each
14 In Stock
or - Free Same Day Shipping & Lower Pricing.
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3/4 x 1 in Boiler Pressure Relief Valve w/ Flood Sensor, 30 psi, 740 Series, FNPT
Watts
SKUF382008

$191.86

each
Out of Stock
or - Free Same Day Shipping & Lower Pricing.
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Automatic Boiler Feed Filling Valve, 3/4 in, Sweat
CALEFFI Hydronic Solutions
SKU535059A

$159.61

each
1 In Stock
or - Free Same Day Shipping & Lower Pricing.
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3/4 in Safety Relief Valve, 30 psig, 790 Series, Bronze
Bell & Gossett
SKU110121

$253.37

each
1 In Stock
or - Free Same Day Shipping & Lower Pricing.
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Grundfos 595926 UP Series Comfort Valve
Grundfos
SKU59-59-26

$88.09

each
3 In Stock
or - Free Same Day Shipping & Lower Pricing.
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Head Mechanism, For Use With: Series 94 Combination Low Water Cut-Offs/Pump Controllers
McDonnell & Miller
SKU165302

$1,403.47

each
2 In Stock
or - Free Same Day Shipping & Lower Pricing.
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Matco-Norca 205TM4 Boiler Drain Valve With Stuffing Box, 3/4 in Nominal, MNPT x Hose End Style, 125 psi WOG Pressure, Brass Body, Import
Matco-Norca
SKU205TM4

$16.79

each
1 In Stock
or - Free Same Day Shipping & Lower Pricing.
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Pre-Adjustable Pressure Reducing Valve, 3/4 in, FNPT x C
CALEFFI Hydronic Solutions
SKU535351HA

$158.92

each
Out of Stock
or - Free Same Day Shipping & Lower Pricing.
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Pressuretrol Pressure Controller 1 to 5 psi Differential
Honeywell
SKUPA404A-1033

$203.14

each
3 In Stock
or - Free Same Day Shipping & Lower Pricing.
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1-1/2 in Ball Valve IPS x Rotating Flange Forged Brass Full Port
Webstone
SKUH-41406HV

$90.15

each
8 In Stock
or - Free Same Day Shipping & Lower Pricing.