Know a trades student? We're giving away $2,500 scholarships - have them apply today!
Filter menu expanded

Filters

5,222 items
Reset

SORT

Product Availability
–

Show In Stock Only (2893)

Brand
–

American Standard (1)
Amtrol (14)
AO Smith (1)
Apollo Valves (249)
Argo (1)
Armstrong International (4)
Armstrong Pumps (1)
Asco (270)
Asco RedHat (439)
Axiom (1)

Product Type
–

Accessory (1)
Actuator (15)
Adapter Kit (2)
Adapter Set (12)
Air Eliminator (185)
Air Flow Switch (2)
Air Scoop (17)
Air Valve (13)
Air Vent (9)
Airtrol Fitting (9)

Review Score
–

(1014)
(138)
(50)
(6)
(10)

Price Range
–

Under $1 (2)
$1 to $5 (27)
$5 to $10 (28)
$10 to $15 (61)
$15 to $20 (88)
$20 to $25 (74)
$25 to $30 (39)
$30 to $35 (39)
$35 to $40 (58)
$40 to $45 (52)

Hydronic Valves, Controls & Parts

5222 items
Grid
List
Compare
Product Image of 1/2" FNPT AL Low Lead Automatic Flow Control Balancing Valve (2.00 GPM)
$144.79 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" CPVC Union HydroGuard Thermostatic Tempering Valve (60°- 120°F)
$373.19 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" PEX Union HydroGuard Thermostatic Tempering Valve (60°- 120°F)
$373.19 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" Union Sweat HydroGuard Thermostatic Tempering Valve (80°- 120°F)
$274.98 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1-1/4" x  1-1/2" HydroGuard XP Supply Fixture, Rough Bronze (60°-90°F)
$3,735.06 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" FNPT Union HydroGuard Thermostatic Tempering Valve (60°- 120°F)
$373.19 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1" FNPT Union HydroGuard Thermostatic Tempering Valve (90°- 160°F)
$564.49 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of Flotect Liquid Level Switch
Flotect Liquid Level Switch
SKU: L6EPB-SS3L-MT
Dwyer
SKU: L6EPB-SS3L-MT
Brand: Dwyer
$845.66 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1" Threaded 2-Way Normally Closed High Pressure Direct Acting Gas Shutoff Valve (24V)
$545.31 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of O-Ring Kit - for 1-1/2" to 2" Brass Valves
$46.14 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of Actuating Motor Handle Kit - for 741
$64.62 each
In Stock
Get 6 by Fri, Nov 6 - Mon, Nov 9
In Stock
Get 6 by Fri, Nov 6 - Mon, Nov 9
Compare
Product Image of 1-1/2" Threaded Normally Open 2-Way Pilot Operated Gas Shutoff Valve (120V)
$663.15 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of Series-H30 SPDT Proof of Closure Switch
Series-H30 SPDT Proof of Closure Switch
SKU: S104772FAX1
Asco RedHat
SKU: S104772FAX1
Brand: Asco RedHat
$5,567.07 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" Threaded Normally Open 2-Way Pilot Operated Gas Shutoff Valve (120V)
$452.30 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3" Threaded Normally Open 2-Way Pilot Operated Gas Shutoff Valve (120V)
$1,626.19 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1-1/4" MPT Tail Piece for 523170A
1-1/4" MPT Tail Piece for 523170A
SKU: R41660
Caleffi
SKU: R41660
Brand: Caleffi
$38.79 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" Inlet IntelliStation Jr. Digital Water Mixing Valve
$10,099.50 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" HydroGuard XP Supply Fixture, Chrome Plated (90°-160°F)
$3,018.64 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1-1/2" Sweat SB Union End Balancing Ball Valve
$192.14 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" FNPT UB Full Port Balancing Union with 3, 1/4" Accessory Ports
$41.39 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" FNPT URP PTV Reduced Body Combination Balancing Union
$55.85 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 2" NPT STV Low Lead Manual Balancing Valve
2" NPT STV Low Lead Manual Balancing Valve
SKU: MB-LL-STV-NPT-200
Macon Balancing
SKU: MB-LL-STV-NPT-200
$318.85 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of Upper Stem
Upper Stem
SKU: MU-4A-CP
Leonard
SKU: MU-4A-CP
Brand: Leonard
$13.51 each
Out of Stock
Get it by Tue, Nov 10 - Tue, Nov 17
Out of Stock
Get it by Tue, Nov 10 - Tue, Nov 17
Compare
Product Image of MasterGuard 830/840 Head Works Replacement Kit
$54.00 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3" NA546M Series DISCALDIRT Air & Dirt Separator w/ Magnet
$6,789.59 each
Backorder
Get it by Thu, Dec 3 - Fri, Jan 8
Backorder
Get it by Thu, Dec 3 - Fri, Jan 8
Compare
Product Image of SEP4 6" ANSI Flange 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator
$15,023.46 each
Out of Stock
Get it by Tue, Nov 17 - Tue, Nov 24
Out of Stock
Get it by Tue, Nov 17 - Tue, Nov 24
Compare
Product Image of 1" PEX Union HydroGuard Thermostatic Tempering Valve (90°- 160°F)
$443.87 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 2" HydroGuard XP Supply Fixture, Rough Bronze (90°-160°F)
$3,894.93 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" Sweat LV-981A-LF Eco-Mix Thermostatic Master Mixer (2.5 to 44 GPM)
$1,299.50 each
In Stock
Get 2 by Wed, Nov 4
In Stock
Get 2 by Wed, Nov 4
Compare
Product Image of 1/2" 2-Way Normally Closed Gas Shutoff Valve w/ 72" Leads, 120v (291,000 BTU)
$352.28 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1" Sweat AB Automatic Flow Control Balancing Valve (0.50 GPM)
$206.84 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1" FNPT AL Low Lead Automatic Flow Control Balancing Valve (2.00 GPM)
$207.16 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" FNPT AB Automatic Flow Control Balancing Valve (1.50 GPM)
$194.97 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" FNPT AL Low Lead Automatic Flow Control Balancing Valve (1.00 GPM)
$144.79 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" FNPT AL Low Lead Automatic Flow Control Balancing Valve (4.00 GPM)
$144.79 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" FNPT AL Low Lead Automatic Flow Control Balancing Valve (9.00 GPM)
$144.79 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" FNPT AL Low Lead Automatic Flow Control Balancing Valve (1.00 GPM)
$169.18 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" FNPT AL Low Lead Automatic Flow Control Balancing Valve (7.00 GPM)
$169.18 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1" FNPT AL Low Lead Automatic Flow Control Balancing Valve (7.00 GPM)
$207.16 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" FNPT MB Venturi Style Manual Balancing Valve, 1.6-5.0 (7.6 Cv)
$87.67 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1-1/2" FNPT MB Venturi Style Manual Balancing Valve (45 Cv)
$234.24 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" Sweat UB Full Port Balancing Union with 3, 1/4" Accessory Ports
$34.12 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 2" Sweat UB Full Port Balancing Union with 3, 1/4" Accessory Ports
$104.99 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1" Sweat URP PTV Combination Balancing Union
1" Sweat URP PTV Combination Balancing Union
SKU: MBP-URP-100S100S
Macon Balancing
SKU: MBP-URP-100S100S
$61.55 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of Mixing Valve Handle Kit - for Brass Valves
$46.08 each
In Stock
Get 1 by Fri, Nov 6 - Mon, Nov 9
In Stock
Get 1 by Fri, Nov 6 - Mon, Nov 9
Compare
Product Image of 1/2" FNPT AB Automatic Flow Control Balancing Valve (0.35 GPM)
$194.97 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 3/4" Sweat AB Automatic Flow Control Balancing Valve (0.35 GPM)
$194.97 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Compare
Product Image of 1/2" FNPT AL Low Lead Automatic Flow Control Balancing Valve (6.00 GPM)
1/2" FNPT AL Low Lead Automatic Flow Control Balancing Valve (6.00 GPM)
SKU: MBP-AL-050F050F06.00
Macon Balancing
SKU: MBP-AL-050F050F06.00
$144.79 each
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5
Backorder
Get it by Wed, Dec 2 - Tue, Jan 5