Apply to be a TradeMaster!
Filter menu expanded

Filters

5,231 items
Reset

SORT

Product Availability

Show In Stock Only (2908)

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 Commercial Thermostatic Mixing Valve, R2570-MIXLF
Commercial Thermostatic Mixing Valve, R2570-MIXLF
SKU: R2570-MIXLF
Delta
SKU: R2570-MIXLF
Brand: Delta
$157.50 each
In Stock
Get 7 by Wed, Sep 23
In Stock
Get 7 by Wed, Sep 23
Compare
Product Image of 3/4" Normally Closed Solenoid Valve (24 V)
3/4" Normally Closed Solenoid Valve (24 V)
SKU: 8220G409-24V
Asco RedHat
SKU: 8220G409-24V
Brand: Asco RedHat
$529.81 each
In Stock
Get 2 by Tue, Sep 22
In Stock
Get 2 by Tue, Sep 22
Compare
Product Image of 3/4" Union FNPT x FNPT Direct Acting Water Pressure Reducing Valve 15-75 psi, 36ELF11401T
$71.13 each
Out of Stock
Get it by Tue, Oct 6 - Tue, Oct 13
Out of Stock
Get it by Tue, Oct 6 - Tue, Oct 13
Compare
Product Image of ESBE VTA Thermostatic Mixing Valve, 85-160°F (Lead Free)
$170.27 each
In Stock
Get 1 by Fri, Sep 25 - Mon, Sep 28
In Stock
Get 1 by Fri, Sep 25 - Mon, Sep 28
Compare
Product Image of Valve Repair Kit for 8210 Series
Valve Repair Kit for 8210 Series
SKU: 302-305
Asco
SKU: 302-305
Brand: Asco
$228.29 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of 1-1/4" x 1-1/2" Model 740 Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (45 psi)
$656.87 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 1/2" Union Sweat HydroGuard Thermostatic Tempering Valve (90°- 160°F)
$492.59 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of A-175-1 Mounting Bracket
A-175-1 Mounting Bracket
SKU: 481312
Sporlan
SKU: 481312
Brand: Sporlan
$60.05 each
In Stock
Get 1 by Wed, Sep 23
In Stock
Get 1 by Wed, Sep 23
Compare
Product Image of 2" NPT Flotect Explosion-Proof Mini-Size Brass SPDT Flow Switch, w/out Tee
$351.15 each
In Stock
Get 1 by Thu, Sep 24
In Stock
Get 1 by Thu, Sep 24
Compare
Product Image of 1/2" F x F 2-Way Normally Open Valve Assembly, 3-8 psi, 0.63 Cv, XYZ
$135.26 each
In Stock
Get 25 by Wed, Sep 23
In Stock
Get 25 by Wed, Sep 23
Compare
Product Image of Replacement Shear Pins (3/pkg)
Replacement Shear Pins (3/pkg)
SKU: M3031
Tekmar
SKU: M3031
Brand: Tekmar
(1)
$123.02 each
In Stock
Get 4 by Fri, Sep 25 - Mon, Sep 28
In Stock
Get 4 by Fri, Sep 25 - Mon, Sep 28
Compare
Product Image of 1" Union Sweat 3-Way Mixing Valve (14 cv)
1" Union Sweat 3-Way Mixing Valve (14 cv)
SKU: VB-7314-0-4-8
Barber Colman
SKU: VB-7314-0-4-8
$363.22 each
In Stock
Get 1 by Wed, Sep 23
In Stock
Get 1 by Wed, Sep 23
Compare
Product Image of 1/2" Sweat STVL Low Lead Manual Balancing Valve
$98.75 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 1/2" 2 Way Normally Closed Low Pressure Gas Shutoff Valve, 24V (350,000 BTU)
$308.89 each
In Stock
Get 6 by Wed, Sep 23
In Stock
Get 6 by Wed, Sep 23
Compare
Product Image of 1" Female NPT Low Lead Manual Balancing Valve (8.8 Cv)
$177.35 each
In Stock
Get 9 by Tue, Sep 22
In Stock
Get 9 by Tue, Sep 22
Compare
Product Image of 1-1/4" Press MixCal High Flow 3-Way Thermostatic Mixing Valve
$1,432.41 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 7/8" Solder CPCE22 Hot Gas Pressure Regulator
$284.49 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 1/2" ODF EVR8 Normally Closed Solenoid Valve
$150.67 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 3/8" 2-Way Normally Closed Direct Acting Gas Shutoff Valve, 3.9 CV (210,000 BTU)
$215.49 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of Replacement Air Vent for Flanged Hydraulic Separator, HS-VENTFLANGED
$67.27 each
In Stock
Get 3 by Tue, Sep 22
In Stock
Get 3 by Tue, Sep 22
Compare
Product Image of 1" V46 Pressure Actuated Water-Regulating Valve (70-260 PSI)
$983.23 each
In Stock
Get 1 by Wed, Sep 23
In Stock
Get 1 by Wed, Sep 23
Compare
Product Image of 1" Press Union LEGIOMIX Electronic Mixing Valve
$3,935.91 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of 1-1/2" NPT Normally Closed 2-Way Hot Water/Steam Solenoid Valve (240VAC)
$1,016.97 each
In Stock
Get 2 by Wed, Sep 23
In Stock
Get 2 by Wed, Sep 23
Compare
Product Image of Coil (120V)
Coil (120V)
SKU: 205209
Parker Hannifin
SKU: 205209
$169.64 each
In Stock
Get 2 by Wed, Sep 23
In Stock
Get 2 by Wed, Sep 23
Compare
Product Image of 2" Union Washer for 535681HA
2" Union Washer for 535681HA
SKU: R0001459
Caleffi
SKU: R0001459
Brand: Caleffi
$6.67 each
In Stock
Get 2 by Fri, Sep 25
In Stock
Get 2 by Fri, Sep 25
Compare
Product Image of Mixed Temperature Gauge Adapter for 1-1/2" and 2" Male x Female Union
$323.20 each
Out of Stock
Get it by Tue, Oct 6 - Tue, Oct 13
Out of Stock
Get it by Tue, Oct 6 - Tue, Oct 13
Compare
Product Image of Condensation Monitor
Condensation Monitor
SKU: QXA2100
Siemens
SKU: QXA2100
Brand: Siemens
$110.02 each
In Stock
Get 4 by Tue, Sep 22
In Stock
Get 4 by Tue, Sep 22
Compare
Product Image of 3/4" Normally Closed, Slow-Closing, Anti-Closing Valve (120 V)
$538.82 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of 1-1/4" FNPT x 1-1/2" FNPT RVW61 3,656,000 BTU Bronze Hot Water Relief Valve (45 psi)
$529.44 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of ORIT-6 1-1/8" ODF Evaporator Pressure Regulator (30 to 100 psi)
$510.16 each
In Stock
Get 1 by Wed, Sep 23
In Stock
Get 1 by Wed, Sep 23
Compare
Product Image of Valve Repair Kit, 323-499
Valve Repair Kit, 323-499
SKU: 323-499
Asco
SKU: 323-499
Brand: Asco
$635.54 each
In Stock
Get 1 by Wed, Sep 23
In Stock
Get 1 by Wed, Sep 23
Compare
Product Image of ASME Pressure Relief Valve, 30 PSI, 3/4" NPT Female, 383-600-063
$214.84 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 3/8" SAE R26F63 Normally Closed Refrigeration Solenoid Valve
$198.86 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 120V Solenoid Coil, COL04723
120V Solenoid Coil, COL04723
SKU: COL04723
Trane
SKU: COL04723
Brand: Trane
$158.82 each
In Stock
Get 4 by Tue, Sep 22
In Stock
Get 4 by Tue, Sep 22
Compare
Product Image of 3/4" LF140S3 Lead Free Relief Valve w/ Flood Sensor Connectivity (150 psi)
$617.30 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 3/8" Compression Chrome Plated Thermostatic Mixing Valve w/ Check Valve and Fittings (Lead Free)
$126.62 each
In Stock
Get 16 by Tue, Sep 22
In Stock
Get 16 by Tue, Sep 22
Compare
Product Image of 3/4" Pressure Reducing Valve w/ Low Range Pressure & Hi Temp Option, Lead Free
$461.99 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 3/8" Normally Closed Solenoid Valve (208V)
3/8" Normally Closed Solenoid Valve (208V)
SKU: 8210G093-208V
Asco RedHat
SKU: 8210G093-208V
Brand: Asco RedHat
$238.60 each
In Stock
Get 7 by Wed, Sep 23
In Stock
Get 7 by Wed, Sep 23
Compare
Product Image of Seal Cap  for Normally Closed Solenoid Valves
$24.11 each
In Stock
Get 3 by Wed, Sep 23
In Stock
Get 3 by Wed, Sep 23
Compare
Product Image of 1/4" NPT Male Vent Cap Adapter
1/4" NPT Male Vent Cap Adapter
SKU: NA10204
Caleffi
SKU: NA10204
Brand: Caleffi
$20.74 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of Series-AH2D Oil (1 Pint)
Series-AH2D Oil (1 Pint)
SKU: 440008
Asco RedHat
SKU: 440008
Brand: Asco RedHat
$87.12 each
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Backorder
Get it by Tue, Oct 20 - Tue, Nov 17
Compare
Product Image of 1/4" NPT Stainless Steel Needle Valve
$149.07 each
In Stock
Get 2 by Wed, Sep 23
In Stock
Get 2 by Wed, Sep 23
Compare
Product Image of 2-1/2" Flanged Hydro Separator
2-1/2" Flanged Hydro Separator
SKU: 548062A
Caleffi
SKU: 548062A
Brand: Caleffi
$3,490.90 each
In Stock
Get 1 by Thu, Sep 24 - Mon, Sep 28
In Stock
Get 1 by Thu, Sep 24 - Mon, Sep 28
Compare
Product Image of Standard Watertight Fast Opening Hydramotor Actuator, Damper Shaft & Arm (110/120V)
$8,520.28 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of 3/4" Buna-N 2-Way Normally Closed Valve (5.5 Cv)
$115.63 each
In Stock
Get 4 by Wed, Sep 23
In Stock
Get 4 by Wed, Sep 23
Compare
Product Image of SEP4 1-1/2" Press 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator
$1,293.76 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of 1/2" V46 Series Pressure Actuated Water-Regulating Valve (70-260 PSI)
$252.69 each
In Stock
Get 2 by Wed, Sep 23
In Stock
Get 2 by Wed, Sep 23
Compare
Product Image of 3/4" Sweat QuickSetter Balancing Valve w/ Flow Meter, 0.5 - 1.75 GPM (Lead Free)
$261.93 each
In Stock
Get 10 by Tue, Sep 22
In Stock
Get 10 by Tue, Sep 22