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 (2893)

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 3/8" GP307 Normally Closed General Purpose Solenoid Valve (3.35 Cv)
$263.52 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of KS-SDR-3 SDR Parts Kit
KS-SDR-3 SDR Parts Kit
SKU: 958131
Sporlan
SKU: 958131
Brand: Sporlan
$942.65 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of RK5201 Repair Kit for R52 Series NC Refrigeration Solenoid Valves
$552.49 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of Sensor, 952579
Sensor, 952579
SKU: 952579
Sporlan
SKU: 952579
Brand: Sporlan
$267.54 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of LAC-10-100 1-3/8" x 1-1/8" x 1-1/8" ODF Head Pressure Control Valve (100 psi)
$1,117.00 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of ORIT-6 1/2" ODF Evaporator Pressure Regulator (30 to 100 psi)
$510.16 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of ORIT-6 5/8" SAE Evaporator Pressure Regulator (0 to 50 psi)
$510.16 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of ORIT-6 7/8" ODF Evaporator Pressure Regulator (30 to 100 psi)
$410.41 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 6" 2-Way Normally Closed Stainless Steel Globe Valve Body, Flanged (400 Cv)
$3,134.57 each
Backorder
Get it by Fri, Dec 4 - Mon, Jan 11
Backorder
Get it by Fri, Dec 4 - Mon, Jan 11
Compare
Product Image of 1" 2-Way N/C Brass Globe Valve Body, Female (10 Cv)
$125.79 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1/2" 3-Way N/O Brass Linear Valve Body, Female x Female (2.5 Cv)
$71.44 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 2-1/2" ANSI Flange LEGIOMIX Electronic Mixing Valve (105 Cv)
$14,256.11 each
Out of Stock
Get it by Wed, Nov 18 - Wed, Nov 25
Out of Stock
Get it by Wed, Nov 18 - Wed, Nov 25
Compare
Product Image of Main Cap Gasket for 1" 625XL Pressure Reducing Valves
$13.79 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of ORIT-6 1-1/8" ODF Evaporator Pressure Regulator (0 to 50 psi)
$510.16 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of ORIT-6 5/8" ODF Evaporator Pressure Regulator (30 to 100 psi)
$410.41 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of ORIT-6 1/2" SAE Evaporator Pressure Regulator (0 to 50 psi)
$510.16 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 21 Repair Kit (1-1/4" & 2")
21 Repair Kit (1-1/4" & 2")
SKU: 600015
Hoffman
SKU: 600015
Brand: Hoffman
$625.92 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 21 Thermostat Kit (3/4" & 1")
21 Thermostat Kit (3/4" & 1")
SKU: 600000
Hoffman
SKU: 600000
Brand: Hoffman
$427.42 each
In Stock
Get 5 by Mon, Nov 9 - Tue, Nov 10
In Stock
Get 5 by Mon, Nov 9 - Tue, Nov 10
Compare
Product Image of 1/8" Normally Closed, 3-Way General Service Valve
1/8" Normally Closed, 3-Way General Service Valve
SKU: 8320G15-120VAC
Asco RedHat
SKU: 8320G15-120VAC
Brand: Asco RedHat
$97.23 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1/8" Normally Closed, 3-Way General Service Valve (120V)
$256.07 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 3/8" NPT Normally Closed 2-Way Solenoid Valve (3.0 Cv)
$283.63 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1/4" NPT High Pressure Solenoid Valve, 1.5 CV (120V)
$499.90 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1" Normally Closed Solenoid Valve w/ Viton Seats, 13 CV (120v)
$719.61 each
In Stock
Get 2 by Tomorrow, Nov 4
In Stock
Get 2 by Tomorrow, Nov 4
Compare
Product Image of 3/4" Normally Open 2-Way Solenoid Valve for Hot Water, 5.5 Cv (120V)
$701.92 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1-1/2" 2-Way Normally Closed Solenoid Valve (120v)
$1,293.33 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 3/8" Normally Closed Solenoid Valve (12VDC)
3/8" Normally Closed Solenoid Valve (12VDC)
SKU: 8210G093-12VDC
Asco RedHat
SKU: 8210G093-12VDC
Brand: Asco RedHat
$277.93 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 3/4" Normally Closed Solenoid Valve, 11 CV
$471.90 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 3/4" NPT 2-Way Normally Closed Leaded Coil w/ 1/2" NPT Threaded Conduit Adaptor (120V)
$546.88 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of Bronze Powerhead Cartridge
Bronze Powerhead Cartridge
SKU: 79903
Viega
SKU: 79903
Brand: Viega
$56.65 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1/4" NPT 3-Way Normally Closed Solenoid Valve w/ Mounting Bracket, 15 Cv (24v)
$291.94 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of J4-240 Jackes Evans Replacement Coil
$175.99 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of GP3-R/GP4-R General Purpose Valve Repair Kit
$103.44 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of General Purpose Bonnet Kit (ALL GP6, GP6XX)
$111.86 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 2-1/2" NPT Male DISCAL Air Separator
2-1/2" NPT Male DISCAL Air Separator
SKU: 551060A
Caleffi
SKU: 551060A
Brand: Caleffi
$3,356.64 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 2" Press DISCAL Air Separator
2" Press DISCAL Air Separator
SKU: 551069A
Caleffi
SKU: 551069A
Brand: Caleffi
$338.90 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of Thermocouple and Fitting
Thermocouple and Fitting
SKU: 803200
Leonard
SKU: 803200
Brand: Leonard
$189.87 each
Out of Stock
Get it by Wed, Nov 11 - Wed, Nov 18
Out of Stock
Get it by Wed, Nov 11 - Wed, Nov 18
Compare
Product Image of 1/2" 2-Way Normally Closed Low Pressure Direct Acting Solenoid Valve (120/60V)
$248.17 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 10 Ft. Cable Assembly
10 Ft. Cable Assembly
SKU: 805081
Sporlan
SKU: 805081
Brand: Sporlan
$97.36 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of ISO 1 Solenoid Spool Valve 5/2W
ISO 1 Solenoid Spool Valve 5/2W
SKU: 54191023
Asco
SKU: 54191023
Brand: Asco
$1,221.65 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 2" Sweat 5463 Series DIRTMAG Dirt Separator with Magnet
$484.27 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1" 174A Relief Valve w/ Flood Sensor Connectivity (55 psi)
$388.05 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1" 140X Relief Valve w/ Flood Sensor Connectivity
$937.68 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1-1/4" N241X5 T&P Lead Free Relief Valve w/ Flood Sensor Connectivity (150 psi)
$2,211.08 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1-1/2" LF340X-8 Lead Free Automatic Reseating Pressure Relief Valve (125 psi)
$4,567.58 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1-1/4" 174A Relief Valve w/ Flood Sensor Connectivity (75 psi)
$697.72 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1-1/2" LF340X-8 Lead Free Relief Valve w/ Flood Sensor Connectivity (150 psi)
$4,390.04 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1/4" Normally Closed Solenoid Valve (120v)
1/4" Normally Closed Solenoid Valve (120v)
SKU: JKF8262H210E
Asco RedHat
SKU: JKF8262H210E
Brand: Asco RedHat
$191.80 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Compare
Product Image of 1/2", 3 Way Setpoint I-Series Mixing Valve w/ Sensor
1/2", 3 Way Setpoint I-Series Mixing Valve w/ Sensor
SKU: I050C3S-1
Taco
SKU: I050C3S-1
Brand: Taco
$557.76 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6