Apply to be a TradeMaster!
Filter menu expanded

Filters

5,231 items
Reset

SORT

Product Availability

Show In Stock Only (2737)

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 2" FNPT US Pressure & Temperature Measuring Balancing Union with Drain
$135.96 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/2" Sweat AB Automatic Flow Control Balancing Valve (2.00 GPM)
$194.97 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" LFLLL210-5-M2 Automatic Gas Shutoff Valve, Lead Free (Extended Shank)
$728.47 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1-1/4" LF25AUB-LP-Z3 Low Pressure Reducing Valve (Threaded F Union Inlet x NPT Threaded F Outlet)
$1,408.91 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of Valve Rebuild Kit for 3UL31
Valve Rebuild Kit for 3UL31
SKU: 312712
Asco
SKU: 312712
Brand: Asco
$289.55 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" Normally Closed Solenoid Valve, 11 CV
$447.00 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/4" OD Compression, 3 Way Universal Solenoid Valve (120Vac, .16 Cv 0-30 PSI)
$330.59 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 2" LF174A Lead Free Relief Valve w/ Flood Sensor Connectivity (125 psi)
$2,703.32 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of EB45-SDSB 3/4" Sharkbite Slip w/ Metal Cap
EB45-SDSB 3/4" Sharkbite Slip w/ Metal Cap
SKU: 24475-0045
SharkBite
SKU: 24475-0045
Brand: SharkBite
$105.32 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of LAC-5-100 7/8" x 7/8" x 7/8" ODF Head Pressure Control Valve (100 psi)
$557.19 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1" TPC 1,825,000 BTU Capacity T & P Relief Valve w/ 3" Element
$357.11 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1" PEX Union 5124 Mixing Valve w/ Gauge (Low Lead)
$239.21 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 9/10.7/13.8 Watt FB Coil (24V)
9/10.7/13.8 Watt FB Coil (24V)
SKU: 099216-008-D
Asco
SKU: 099216-008-D
Brand: Asco
$290.40 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of ADRS-2 5/8" ODF Discharge Bypass Valve (0 to 80 psi)
$440.49 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" Press Gate Valve, 102T LF Series (Lead Free)
$123.85 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of FS7-4S, 1-1/4" Flow Switch w/ Stainless Steel Body
$1,079.16 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" MNPT x FNPT Bronze Relief Valve w/ 8" Element (150 psig) 18C5118150
$162.78 each
Out of Stock
Get it by Fri, Oct 2 - Fri, Oct 9
Out of Stock
Get it by Fri, Oct 2 - Fri, Oct 9
Compare
Product Image of Valve Repair Kit for 8210 Series
Valve Repair Kit for 8210 Series
SKU: 304-006
Asco
SKU: 304-006
Brand: Asco
$354.65 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of Conduit Connector (10 Pack)
Conduit Connector (10 Pack)
SKU: 224195-001-D
Asco
SKU: 224195-001-D
Brand: Asco
$862.20 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1" EB-45 SharkBite Double Union Pressure Regulator, Lead Free (45 PSI)
$181.58 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/2" Aluminum Solenoid Air Valve, 238,500 BtuH Max (120v)
$270.68 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/2" Gold Ring Series 2-Way Normally Closed Pilot Operated Solenoid Valve (4 Cv)
$171.55 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 2-1/2" NA551 Series DISCALDIRT Air & Dirt Separator
$4,206.47 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/2" Thermostatic Mixing Valve 95 to 115°F (Female Threaded), Lead Free
$286.99 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1-1/2" Union Sweat Mixing Valve
1-1/2" Union Sweat Mixing Valve
SKU: VB-7314-0-4-10
Barber Colman
SKU: VB-7314-0-4-10
$461.52 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" 2-Way Normally Closed Air & Vacuum Solenoid Valve (120/60v)
$233.94 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of OROA-5 180 7/8" x 7/8" x 7/8" ODF Head Pressure Control Valve (180 psi)
$445.76 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/2" CPVC Union 5002 Heating Only Mixing Valve
1/2" CPVC Union 5002 Heating Only Mixing Valve
SKU: 5002-HX-B3
Taco
SKU: 5002-HX-B3
Brand: Taco
$151.65 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" Sweat AB Automatic Flow Control Balancing Valve (2.50 GPM)
$194.97 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 0.6/5 SCFH VFA Air Flowmeter, Brass Valve
0.6/5 SCFH VFA Air Flowmeter, Brass Valve
SKU: VFA-3-BV
Dwyer
SKU: VFA-3-BV
Brand: Dwyer
$67.65 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 2" Press Pressure Reducing Valve (Low Lead, Pre-adjustable)
$842.09 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" x 3/4" FPT Single Solenoid Gas Valve, 430,000 BTU (120V)
$245.99 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1" NPT 3-Way Mixing Valve with Brass Trim Globe Assembly (14 cv)
$736.31 each
In Stock
Get 3 by Tue, Sep 22
In Stock
Get 3 by Tue, Sep 22
Compare
Product Image of 3/4" Lead Free Female Copper Sweat Union x FNPT Pressure Reducing Valve
$334.99 each
In Stock
Get 1 by Tue, Sep 22
In Stock
Get 1 by Tue, Sep 22
Compare
Product Image of 1" EB45 SharkBite Push-To-Connect Double Union Pressure Regulating Valve, Poly Top (Lead Free)
$122.98 each
Out of Stock
Get it by Fri, Oct 2 - Fri, Oct 9
Out of Stock
Get it by Fri, Oct 2 - Fri, Oct 9
Compare
Product Image of 1/2" Sweat Union 5002 Heating Only Mixing Valve w/ Gauge
1/2" Sweat Union 5002 Heating Only Mixing Valve w/ Gauge
SKU: 5002-HX-C3-G
Taco
SKU: 5002-HX-C3-G
Brand: Taco
$149.08 each
In Stock
Get 5 by Wed, Sep 23 - Thu, Sep 24
In Stock
Get 5 by Wed, Sep 23 - Thu, Sep 24
Compare
Product Image of 1/2" Union Press Mixing Valve, Lead Free, ASSE 1070 (70-Degree F - 120-Degree F)
$247.81 each
In Stock
Get 4 by Tue, Sep 22
In Stock
Get 4 by Tue, Sep 22
Compare
Product Image of 1" Sweat AB Automatic Flow Control Balancing Valve (0.35 GPM)
$206.12 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1-1/8" ODF Normally Open Secondary Coolant Valve (5 Cv)
$530.73 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/10 SCFH VFA Air Flowmeter, Stainless Steel Valve
$90.54 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 3/4" Normally Closed Solenoid Valve w/ Manual Operator, 5 CV (24VDC)
$486.07 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 2-1/2" 3-Way Bronze Mixing Valve Body, Flanged (63 Cv)
$799.71 each
Backorder
Get it by Mon, Oct 19 - Wed, Nov 18
Backorder
Get it by Mon, Oct 19 - Wed, Nov 18
Compare
Product Image of Low Pressure Valve, 201600720618
Low Pressure Valve, 201600720618
SKU: 201600720618
Goodman-Amana
SKU: 201600720618
$23.39 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of MasterGuard 830 Fitting Service Kit
$43.67 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of Valve Repair Kit for 8042 Series
Valve Repair Kit for 8042 Series
SKU: 304-083
Asco
SKU: 304-083
Brand: Asco
$2,861.67 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1-1/4" RVW60 4,987,000 BTU Capacity Bronze Relief Valve, 80 psi
$551.00 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of ORIT-10 1-3/8" ODF Evaporator Pressure Regulator (30 to 100 psi)
$719.11 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Compare
Product Image of 1/2" NPT High Pressure Solenoid Valve, 3.2 CV (120V)
$2,110.08 each
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by Fri, Oct 16 - Fri, Nov 13