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 (2889)

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
–

(1015)
(138)
(50)
(6)
(9)

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 (38)
$30 to $35 (40)
$35 to $40 (58)
$40 to $45 (52)

Hydronic Valves, Controls & Parts

5222 items
Grid
List
Compare
Product Image of 1/2" 2-Way Normally Closed Solenoid Valve Less Coil
$420.57 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/8" ODF R33E93 Normally Open Refrigeration Solenoid Valve
$280.76 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of Valve Repair Kit for 8214 AC Series
Valve Repair Kit for 8214 AC Series
SKU: 316-234
Asco
SKU: 316-234
Brand: Asco
$346.93 each
In Stock
Get 2 by Tomorrow, Nov 5
In Stock
Get 2 by Tomorrow, Nov 5
Compare
Product Image of 240V Encapsulated Coil Kit (9.1 watts)
240V Encapsulated Coil Kit (9.1 watts)
SKU: 238210-158-D
Asco
SKU: 238210-158-D
Brand: Asco
$309.99 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of QC-3 Blue Q Cartridge/ID Tag
QC-3 Blue Q Cartridge/ID Tag
SKU: 168076
Sporlan
SKU: 168076
Brand: Sporlan
$24.68 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1-1/4" TPC 3,070,000 BTU Capacity T & P Relief Valve w/ 4" Element
1-1/4" TPC 3,070,000 BTU Capacity T & P Relief Valve w/ 4" Element
SKU: 18C5314125
Apollo Valves
SKU: 18C5314125
$537.33 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1-1/2" Single Union FNPT Pressure Reducing Valve
$645.38 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" FNPT 20XL Pressure Reducing Valve w/ 2 Integral Connections & w/ out Unions (LF)
$149.99 each
In Stock
Get 4 by Tue, Nov 10
In Stock
Get 4 by Tue, Nov 10
Compare
Product Image of 3/4" Wilkins 600XL FNPT Pressure Reducing Valve, Less Union Assembly and Tailpiece (Lead Free)
$410.99 each
Out of Stock
Get it by Thu, Nov 19 - Fri, Nov 27
Out of Stock
Get it by Thu, Nov 19 - Fri, Nov 27
Compare
Product Image of 3/4" PEX Crimp Bronze Thermostatic Mixing Valve, 34BLF314X
$312.05 each
Out of Stock
Get it by Thu, Nov 19 - Fri, Nov 27
Out of Stock
Get it by Thu, Nov 19 - Fri, Nov 27
Compare
Product Image of 1/2" Brass Pressure Reducing Valve (Union Sweat x FNPT)
1/2" Brass Pressure Reducing Valve (Union Sweat x FNPT)
SKU: 335U-050-C1
Taco
SKU: 335U-050-C1
Brand: Taco
$134.47 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" Lead Free Tempering Mixing Valve 80 to 165°F (Female Threaded)
$609.18 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" Double FNPT Union 20XL Pressure Reducing Valve (LF)
$171.99 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" 500XL Pressure Reducing Valve w/ Integral By-Pass Check Valve, w/ Bronze "Y" Strainer on Inlet (LF)
$729.99 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" PEX Crimp Union x FNPT PresCal Compact Pressure Reducing Valve without Gauge
$64.63 each
In Stock
Get 2 by Tomorrow, Nov 5
In Stock
Get 2 by Tomorrow, Nov 5
Compare
Product Image of 1" Sweat Union AngleMix 3-Way Thermostatic Mixing Valve w/ Check Valves
$402.49 each
In Stock
Get 1 by Tomorrow, Nov 5
In Stock
Get 1 by Tomorrow, Nov 5
Compare
Product Image of 1" NPT Male Tail Piece w/ 1" Nut
1" NPT Male Tail Piece w/ 1" Nut
SKU: 59817A
Caleffi
SKU: 59817A
Brand: Caleffi
$29.80 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1/2" PEX Union for 5120 Water Temperature Mixing Valve with Gauge (Set of 3)
$39.15 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of ORB/RB15 Series Refrigeration Valve Repair Kit
$86.19 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1-1/4" Union TacoSetter Bypass Balancing Valve (3-10 GPM)
$157.50 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1/2" AM1 Temperature Gauge Tail Piece w/ Sweat
$58.99 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3" Flanged Cast Iron Gate Valve (Lead Free)
$684.43 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" Normally Closed, Slow-Closing, 5/150# Valve (120 V)
3/4" Normally Closed, Slow-Closing, 5/150# Valve (120 V)
SKU: 8221G5HW-120VAC
Asco RedHat
SKU: 8221G5HW-120VAC
Brand: Asco RedHat
(1)
$457.23 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of Relief Valve Kit for 1-1/2" to 2" Reduced Pressure Zone Assembly
$408.07 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of HGBE-5-95/115 1/2" ODF Discharge Bypass Valve (95 to 115 psig)
$428.77 each
In Stock
Get 1 by Tomorrow, Nov 5
In Stock
Get 1 by Tomorrow, Nov 5
Compare
Product Image of 1-1/4" LFN45BM1 Pressure Reducing Valve (Press)
$342.73 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1-1/2" LF25AUB-DU-PR-Z3 Pressure Reducing Valve, Lead Free (Double Union Press)
$1,362.07 each
Out of Stock
Get it by Thu, Nov 19 - Fri, Nov 27
Out of Stock
Get it by Thu, Nov 19 - Fri, Nov 27
Compare
Product Image of LAC-5-180 7/8" x 7/8" x 7/8" ODF Head Pressure Control Valve (180 psi)
$557.19 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1/2" NPT 4-Way Solenoid Valve, 1.4 CV (120/60VAC)
$1,152.97 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of Brass External Float Chamber Liquid Level Switch, Polypropylene Spherical Float
$443.34 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of Liquid Level Switch w/ Weatherproof Enclosure
$198.52 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1-1/4" HydroGuard XP Supply Fixture, Rough Bronze (90°-160°F)
$1,950.20 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of Linear-X8 8-Valve Hydronic Manifold Actuator/Control All-in-One Operating System
$698.39 each
In Stock
Get 1 by Tomorrow, Nov 5
In Stock
Get 1 by Tomorrow, Nov 5
Compare
Product Image of 3/4" LF174A Lead Free Relief Valve w/ Flood Sensor Connectivity (40 psi)
$473.04 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" Sweat SV Combination Reduced Body Ball Valve, Wye Strainer and Union w/ 1/2" Bypass Port
$109.27 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1" FNPT AL Low Lead Automatic Flow Control Balancing Valve (4.00 GPM)
$207.16 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1" FNPT AL Low Lead Automatic Flow Control Balancing Valve (8.00 GPM)
$207.16 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1" FNPT UB Full Port Balancing Union with 3, 1/4" Accessory Ports
$47.10 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" FNPT AB Automatic Flow Control Balancing Valve PT Drain & Union (0.35 GPM)
$161.36 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 3/4" Sweat AB Automatic Flow Control Balancing Valve (1.50 GPM)
$161.40 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1" Push-Fit x G1 Brass Union (Lead Free)
1" Push-Fit x G1 Brass Union (Lead Free)
SKU: H-7-6202W-WP
Webstone
SKU: H-7-6202W-WP
Brand: Webstone
$19.06 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of 1" Angled Isolation Brass Valve w/ Check, Blue Handle, G1 Union x G1 Thread (Lead Free)
$47.70 each
In Stock
Get 417 by Mon, Nov 9 - Tue, Nov 10
In Stock
Get 417 by Mon, Nov 9 - Tue, Nov 10
Compare
Product Image of 1/2" Press x G1 Brass Union (Lead Free)
1/2" Press x G1 Brass Union (Lead Free)
SKU: H-7-8102W-WP
Webstone
SKU: H-7-8102W-WP
Brand: Webstone
$19.66 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of Linear-X4 4-Valve Hydronic Manifold Actuator/Control All-in-One Operating System
$517.43 each
In Stock
Get 1 by Tomorrow, Nov 5
In Stock
Get 1 by Tomorrow, Nov 5
Compare
Product Image of 1" Sweat AB Automatic Flow Control Balancing Valve (1.00 GPM)
$206.84 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Compare
Product Image of Union Kit for DS06 and FK06 1/2" Press Valves
$55.29 each
In Stock
Get 1 by Tomorrow, Nov 5
In Stock
Get 1 by Tomorrow, Nov 5
Compare
Product Image of Thermostat for 1" Holby Low Temp Tempering Valve
Thermostat for 1" Holby Low Temp Tempering Valve
SKU: HOL1000-LTTHRMST
Holby
SKU: HOL1000-LTTHRMST
Brand: Holby
$270.40 each
In Stock
Get 1 by Tue, Nov 10
In Stock
Get 1 by Tue, Nov 10
Compare
Product Image of Piston for 1" Holby Tempering Valve
Piston for 1" Holby Tempering Valve
SKU: HOL1000-PISTON
Holby
SKU: HOL1000-PISTON
Brand: Holby
$107.40 each
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7
Backorder
Get it by Fri, Dec 4 - Thu, Jan 7