Apply to be a TradeMaster!
Filter menu expanded

Filters

5,231 items
Reset

SORT

Product Availability

Show In Stock Only (2902)

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" PEX Expansion TubMixer Adjustable Thermostatic High-Flow Point-of-Use Mixing Valve (2 Cv)
1/2" PEX Expansion TubMixer Adjustable Thermostatic High-Flow Point-of-Use Mixing Valve (2 Cv)
SKU: 521348A
Caleffi
SKU: 521348A
Brand: Caleffi
(1)
$102.01 each
In Stock
Get 1 by Mon, Sep 21
In Stock
Get 1 by Mon, Sep 21
Compare
Product Image of 2" LFN170-M3 Lead Free Commercial Master Tempering Valve
$2,717.57 each
In Stock
Get 3 by Mon, Sep 21
In Stock
Get 3 by Mon, Sep 21
Compare
Product Image of 2" NPT SuperVent Air Eliminator, PV200
$291.82 each
In Stock
Get 8 by Mon, Sep 21
In Stock
Get 8 by Mon, Sep 21
Compare
Product Image of 1-1/4" 3-Way Mixing Valve -15 to 230°F (Threaded)
$255.28 each
In Stock
Get 2 by Wed, Sep 23
In Stock
Get 2 by Wed, Sep 23
Compare
Product Image of Replacement Hygroscopic Cartridge (for 5080 Series)
$5.52 each
In Stock
Get 12 by Mon, Sep 21
In Stock
Get 12 by Mon, Sep 21
Compare
Product Image of 1-1/2" Union Hydraulic Separator, HYDROSEP-104-U
1-1/2" Union Hydraulic Separator, HYDROSEP-104-U
SKU: HYDROSEP-104-U
Resideo
SKU: HYDROSEP-104-U
Brand: Resideo
(1)
$584.26 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 2" General Purpose Solenoid Valve (120v)
$1,248.58 each
In Stock
Get 15 by Mon, Sep 21
In Stock
Get 15 by Mon, Sep 21
Compare
Product Image of 1" Male NPT MIXCAL 3-Way Adjustable Thermostatic Mixing Valve w/ Temp Gauge
$267.45 each
In Stock
Get 7 by Tue, Sep 22
In Stock
Get 7 by Tue, Sep 22
Compare
Product Image of 3/4" Press AMX Series DirectConnect Mixing Valve (Lead Free)
$284.69 each
In Stock
Get 1 by Mon, Sep 21
In Stock
Get 1 by Mon, Sep 21
Compare
Product Image of Gorton No. D, 1/4" Straight Vapor Equalizing Valve
$50.16 each
In Stock
Get 2 by Tue, Sep 22
In Stock
Get 2 by Tue, Sep 22
Compare
Product Image of Replacement Gasket Kit for 1-1/4" MX128 Mixing Valve
Replacement Gasket Kit for 1-1/4" MX128 Mixing Valve
SKU: MX125-RP
Resideo Braukmann
SKU: MX125-RP
(3)
$29.87 each
In Stock
Get 10 by Tue, Sep 22
In Stock
Get 10 by Tue, Sep 22
Compare
Product Image of 1" Union Press Mixing Valve  (70-Degree F - 180-Degree F)
$225.74 each
In Stock
Get 10 by Mon, Sep 21
In Stock
Get 10 by Mon, Sep 21
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (60 psi)
$440.46 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 3/4" 174A Relief Valve w/ Flood Sensor Connectivity (80 psi)
$267.78 each
In Stock
Get 3 by Mon, Sep 21
In Stock
Get 3 by Mon, Sep 21
Compare
Product Image of 1" x 1-1/4" Boiler Pressure Relief Valve w/ Flood Sensor Connectivity (75 psi)
$337.34 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 3/4" 2-Way Normally Closed Gas Shutoff Valve, 12VDC (512,000 BTU)
$242.64 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 1-1/4" Double Union Sweat DialSet Pressure Regulating Valve (Lead Free)
$287.99 each
In Stock
Get 1 by Mon, Sep 21
In Stock
Get 1 by Mon, Sep 21
Compare
Product Image of AM1 Mixing Valve Body Only (70-180F)
$79.89 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 3/4" Press Union DISCAL Rotating Collar Air Separator
$211.88 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of Valve Repair Kit, 323-468
Valve Repair Kit, 323-468
SKU: 323-468
Asco
SKU: 323-468
Brand: Asco
$221.76 each
In Stock
Get 5 by Mon, Sep 21
In Stock
Get 5 by Mon, Sep 21
Compare
Product Image of F-3TU Dual Unit Pressure Reducing Valve w/ Fast Fill Feature (Lead Free)
$237.98 each
In Stock
Get 3 by Mon, Sep 21
In Stock
Get 3 by Mon, Sep 21
Compare
Product Image of Fixed Point Manifold Mixing Station w/ UPS15-58FC Pump (4 Loops)
$1,225.93 each
In Stock
Get 5 by Mon, Sep 21
In Stock
Get 5 by Mon, Sep 21
Compare
Product Image of HG-110D, 1/2" SharkBite Heatguard Thermostatic Mixing Valve w/ Integral Connectors (Lead Free)
$105.05 each
In Stock
Get 6 by Mon, Sep 21
In Stock
Get 6 by Mon, Sep 21
Compare
Product Image of 1/8" SVA Non-Vacuum Adjustable Float-Type Steam Air Vents
$26.86 each
In Stock
Get 28 by Mon, Sep 21
In Stock
Get 28 by Mon, Sep 21
Compare
Product Image of 1" Press QuickSetter Balancing Valve w/ Flow Meter, 3 to 10 GPM
$259.75 each
In Stock
Get 5 by Mon, Sep 21
In Stock
Get 5 by Mon, Sep 21
Compare
Product Image of 1/2" Normally Closed Solenoid Valve, 4 CV (240v)
$209.60 each
In Stock
Get 21 by Mon, Sep 21
In Stock
Get 21 by Mon, Sep 21
Compare
Product Image of Valve Actuator with Remote Sensor (86-158F)
$175.23 each
In Stock
Get 7 by Mon, Sep 21
In Stock
Get 7 by Mon, Sep 21
Compare
Product Image of 1" NPT Union Mixing Valve (Lead Free)
1" NPT Union Mixing Valve (Lead Free)
SKU: AM102-UT-1LF
Resideo Braukmann
SKU: AM102-UT-1LF
(20)
$201.94 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 3/4" FNPT x 1" FNPT RVW61 2,089,000 BTU Hot Water Pressure Relief Valve, 80 psi
$208.03 each
In Stock
Get 3 by Mon, Sep 21
In Stock
Get 3 by Mon, Sep 21
Compare
Product Image of 1-1/4" 174A ASME Boiler Pressure Relief Valves w/ Flood Sensor Connectivity (50 psi)
$509.83 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 Gorton No. 6, 1/4" Straight Vapor Equalizing Valve
$44.61 each
In Stock
Get 6 by Mon, Sep 21
In Stock
Get 6 by Mon, Sep 21
Compare
Product Image of 1-1/2" FNPT x 2" FNPT RVW61 3,696,000 BTU Bronze Hot Water Relief Valve (30 psi)
$628.49 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 5-5/8" T&P Relief Valve w/ 3-1/2" Sensor (200,000 BTU/HR), SP9013D
$134.04 each
In Stock
Get 3 by Mon, Sep 21
In Stock
Get 3 by Mon, Sep 21
Compare
Product Image of 1-1/4" MNPT x 1" FNPT Commercial ASME T&P Relief Valve (4" Element, 150 psi)
$422.57 each
In Stock
Get 2 by Mon, Sep 21
In Stock
Get 2 by Mon, Sep 21
Compare
Product Image of Non-Delay Solenoid Valve - Pump Mount
$63.94 each
In Stock
Get 1 by Mon, Sep 21
In Stock
Get 1 by Mon, Sep 21
Compare
Product Image of 1" DS06 DialSet Pressure Regulating Valve w/ Double Union Press Fittings (Lead Free)
$181.57 each
In Stock
Get 6 by Mon, Sep 21
In Stock
Get 6 by Mon, Sep 21
Compare
Product Image of 1/2" Single Union NPT DialSet Pressure Regulating Valve (Lead Free)
$101.66 each
In Stock
Get 2 by Mon, Sep 21
In Stock
Get 2 by Mon, Sep 21
Compare
Product Image of 3/4" Sweat Supervent Air Eliminator, PV075S
$131.77 each
In Stock
Get 5 by Mon, Sep 21
In Stock
Get 5 by Mon, Sep 21
Compare
Product Image of T-443NL, 1" Flare x 3/4" FNPT Forged Brass Ball-Type Meter Valve (Lead Free)
$53.89 each
In Stock
Get 8 by Mon, Sep 21
In Stock
Get 8 by Mon, Sep 21
Compare
Product Image of 1/2" Normally Closed Solenoid Valve, 4 CV (24 VDC)
1/2" Normally Closed Solenoid Valve, 4 CV (24 VDC)
SKU: 8210G002-24VDC
Asco RedHat
SKU: 8210G002-24VDC
Brand: Asco RedHat
$213.51 each
In Stock
Get 124 by Mon, Sep 21
In Stock
Get 124 by Mon, Sep 21
Compare
Product Image of Rebuild Kit, 323-632
Rebuild Kit, 323-632
SKU: 323-632
Asco
SKU: 323-632
Brand: Asco
$391.92 each
In Stock
Get 6 by Mon, Sep 21
In Stock
Get 6 by Mon, Sep 21
Compare
Product Image of 2" NPT QuickSetter Balancing Valve w/ Flow Meter
$459.16 each
In Stock
Get 7 by Mon, Sep 21
In Stock
Get 7 by Mon, Sep 21
Compare
Product Image of SEP4 1-1/4" Press Union 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator
$1,002.25 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 3/4" Differential Pressure Regulator
$209.37 each
In Stock
Get 4 by Mon, Sep 21
In Stock
Get 4 by Mon, Sep 21
Compare
Product Image of 1-1/2" Double Union NPT DialSet Pressure Regulating Valve (Lead Free)
$488.63 each
In Stock
Get 3 by Mon, Sep 21
In Stock
Get 3 by Mon, Sep 21
Compare
Product Image of 1/2" Normally Closed, 2-Way Brass Solenoid Valve (120/60 AC)
$167.10 each
In Stock
Get 10 by Mon, Sep 21
In Stock
Get 10 by Mon, Sep 21
Compare
Product Image of 420-K Mixing Valve Repair Kit
420-K Mixing Valve Repair Kit
SKU: 420-6
Amtrol
SKU: 420-6
Brand: Amtrol
(6)
$52.95 each
In Stock
Get 2 by Mon, Sep 21
In Stock
Get 2 by Mon, Sep 21
Compare
Product Image of 3/4" MNPT x 3/4" FNPT LF4L Poppet Type Pressure Relief Valve (150 psi)
3/4" MNPT x 3/4" FNPT LF4L Poppet Type Pressure Relief Valve (150 psi)
SKU: 0556050
Watts
SKU: 0556050
Brand: Watts
$101.68 each
In Stock
Get 5 by Mon, Sep 21
In Stock
Get 5 by Mon, Sep 21