Apply to be a TradeMaster!
Filter menu expanded

Filters

5,231 items
Reset

SORT

Product Availability

Show In Stock Only (2748)

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 (186)
Air Flow Switch (2)
Air Scoop (17)
Air Valve (13)
Air Vent (9)
Airtrol Fitting (9)

Review Score

(1010)
(138)
(31)
(7)
(9)

Price Range

Under $1 (2)
$1 to $5 (27)
$5 to $10 (28)
$10 to $15 (62)
$15 to $20 (88)
$20 to $25 (79)
$25 to $30 (34)
$30 to $35 (45)
$35 to $40 (55)
$40 to $45 (57)

Hydronic Valves, Controls & Parts

5231 items
Grid
List
Compare
Product Image of 1/2" Sweat AB Automatic Flow Control Balancing Valve (0.50 GPM)
$194.97 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/4" HydroGuard XP Supply Fixture, Rough Bronze (60°-90°F)
$3,216.41 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 2" Spirotrap Dirt Separator (Flanged)
2" Spirotrap Dirt Separator (Flanged)
SKU: TDT200-FA
Spirotherm
SKU: TDT200-FA
Brand: Spirotherm
$3,119.25 each
Backorder
Get it by Tue, Oct 20 - Thu, Nov 19
Backorder
Get it by Tue, Oct 20 - Thu, Nov 19
Compare
Product Image of 1/4" Flare Nut MP54 Differential Pressure Regulator (SPDT)
$231.42 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/4" NPT Female Drain Ball Valve w/ Lever
$79.28 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" PEX Crimp QuickSetter Balancing Valve w/ Flow Meter, 2-7 GPM (Lead Free)
$281.69 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 20/200 SCFH RMA Air Flowmeter, Stainless Steel Valve
$81.19 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 24V Solenoid Valve Coil (11W), S1-025-30287-700
24V Solenoid Valve Coil (11W), S1-025-30287-700
SKU: S1-025-30287-700
York
SKU: S1-025-30287-700
Brand: York
$65.70 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Buna-N 211CA Solenoid Valve Repair Kit
$92.78 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" Lead Free FNPT Double Union x FC Union Pressure Reducing Valve
$221.99 each
In Stock
Get 4 by Tue, Sep 22
In Stock
Get 4 by Tue, Sep 22
Compare
Product Image of Valve Repair Kit for 8210 AD Series
Valve Repair Kit for 8210 AD Series
SKU: 314-633
Asco
SKU: 314-633
Brand: Asco
$197.00 each
In Stock
Get 4 by Tue, Sep 22
In Stock
Get 4 by Tue, Sep 22
Compare
Product Image of 3/4" FNPT AL Low Lead Automatic Flow Control Balancing Valve (8.00 GPM)
$169.18 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/2" Lead Free Double Union Pressure Reducing Valve
1-1/2" Lead Free Double Union Pressure Reducing Valve
SKU: 112-NR3XLDUC
Zurn
SKU: 112-NR3XLDUC
Brand: Zurn
$1,096.99 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/4" Gold Ring Series 2-Way Normally Closed Pilot Operated Solenoid Valve (1.2 Cv)
$190.70 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Coil (240V)
Coil (240V)
SKU: 43005455
Asco
SKU: 43005455
Brand: Asco
$59.35 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/8" Threaded 2-Way Normally Closed High Pressure Direct Acting Gas Shutoff Valve (24V)
$249.94 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/4" 21 Tempering Valve (140°F - 200°F)
$1,031.73 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/4" Press x G1 Brass Union w/ Integral Check Valve (Lead Free)
$20.45 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/4" PEX Union 5123 Mixing Valve (Low Lead)
3/4" PEX Union 5123 Mixing Valve (Low Lead)
SKU: 5123-P2
Taco
SKU: 5123-P2
Brand: Taco
$161.05 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 04F48S2106ACFR Gold Ring Solenoid Valve Repair Kit
$250.64 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of BPS2-HP 1/2-5/8" Sweat Solenoid Valve (Valve Only)
$226.69 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Complete Bonnet & Gasket Assembly for 1" Holby Tempering Valve
Complete Bonnet & Gasket Assembly for 1" Holby Tempering Valve
SKU: HOL1000-ASSBLY
Holby
SKU: HOL1000-ASSBLY
Brand: Holby
$272.99 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/8" Gold Ring Series 2-Way Normally Closed Pilot Operated Solenoid Valve (3 Cv)
$147.03 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" 625XL Single Union FNPT Pressure Reducing Valve w/ Integral By-Pass Check Valve & Strainer (LF)
$483.99 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 2" NPT Lead Free Pressure Reducing Valve
2" NPT Lead Free Pressure Reducing Valve
SKU: 2-ZW209TH
Zurn
SKU: 2-ZW209TH
Brand: Zurn
$4,238.99 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" Press Solar Thermostatic Mixing Valve w/ Check Valve (Lead Free)
$152.22 each
In Stock
Get 1 by Wed, Sep 23 - Thu, Sep 24
In Stock
Get 1 by Wed, Sep 23 - Thu, Sep 24
Compare
Product Image of Electric Actuator 600 Torque (115V)
$1,031.83 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/4" Boiler Trim Kit, Includes AS-MB, RBFF, B911S, and ETX-30 4.5 Gallon Tank
$757.31 each
Out of Stock
Get it by Mon, Oct 5 - Mon, Oct 12
Out of Stock
Get it by Mon, Oct 5 - Mon, Oct 12
Compare
Product Image of Navy V46 Series Pressure-Actuated Water-Regulating Valve (160-260 PSI)
$4,088.12 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" Union Press Mixing Valve (70-Degree F - 180-Degree F)
$171.73 each
In Stock
Get 3 by Tue, Sep 22
In Stock
Get 3 by Tue, Sep 22
Compare
Product Image of 1/2" Sweat Pressure Reducing Valve w/ Gauge (Low Lead, Pre-adjustable)
$124.44 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/2" x 2-1/2" MNPT x FNPT Sec VIII Liquid Bronze Safety Relief Valve (75 psig) 511HGBJMAA0075
$1,040.96 each
Out of Stock
Get it by Mon, Oct 5 - Mon, Oct 12
Out of Stock
Get it by Mon, Oct 5 - Mon, Oct 12
Compare
Product Image of 3" LFN223 Lead Free High Capacity Pressure Valve, 75-125 psi
$8,009.73 each
Backorder
Get it by Tue, Oct 20 - Thu, Nov 19
Backorder
Get it by Tue, Oct 20 - Thu, Nov 19
Compare
Product Image of 14" Flanged 3DS-14B Cast Iron Triple Duty Valve
$46,327.57 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" MPT Tail Piece for 523160A
1" MPT Tail Piece for 523160A
SKU: NA10009
Caleffi
SKU: NA10009
Brand: Caleffi
$41.97 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Solenoid AC Valve Rebuild Kit
Solenoid AC Valve Rebuild Kit
SKU: 302278A
Asco
SKU: 302278A
Brand: Asco
$357.74 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" NPT Horizontal Mount Level Switch, Polypropylene Float
$34.51 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 2/24 GPH RMA Water Flowmeter, Stainless Steel Valve
$81.19 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of MasterGuard 830 Fitting Service Kit
$43.67 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2", 2 Way Setpoint I-Series Mixing Valve w/ Sensor
1/2", 2 Way Setpoint I-Series Mixing Valve w/ Sensor
SKU: I050C2S-2
Taco
SKU: I050C2S-2
Brand: Taco
(1)
$526.97 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" Union Solder x FNPT Backflow and Fast Fill Pressure Regulator, 35603BFST
$607.37 each
Out of Stock
Get it by Mon, Oct 5 - Mon, Oct 12
Out of Stock
Get it by Mon, Oct 5 - Mon, Oct 12
Compare
Product Image of Valve Repair Kit for 8210 Series
Valve Repair Kit for 8210 Series
SKU: 304-359
Asco
SKU: 304-359
Brand: Asco
$1,036.03 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" Union Push Connect Mixing Valve, 3.9 Cv (Lead Free)
$247.54 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of MasterGuard 840, 1" x 1-1/4" Thermostatic Mixing Valve, High Capacity (Lead Free)
$1,887.21 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/8" Normally Closed Solenoid Valve, .21 CV (240v)
$102.86 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 0.5/5 GPM LFMA Water Flowmeter, SS Float
0.5/5 GPM LFMA Water Flowmeter, SS Float
SKU: LFMA-03-A2
Dwyer
SKU: LFMA-03-A2
Brand: Dwyer
$70.55 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Replacement Cap & Disc Assembly for Taco Flo-Chek 221
$98.96 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Main Cap Gasket for 1" 625XL Pressure Reducing Valves
$13.79 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16