Apply to be a TradeMaster!
Filter menu expanded

Filters

5,231 items
Reset

SORT

Product Availability
–

Show In Stock Only (2739)

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 1-1/2" Inlet/Outlet Flange Adapter Hardware Kit
1-1/2" Inlet/Outlet Flange Adapter Hardware Kit
SKU: 296659-004
Asco
SKU: 296659-004
Brand: Asco
$124.32 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Valve Repair Kit for 8320 AC Series
Valve Repair Kit for 8320 AC Series
SKU: 302-183
Asco
SKU: 302-183
Brand: Asco
$232.42 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/4" FNPT AL Low Lead Automatic Flow Control Balancing Valve (4.50 GPM)
3/4" FNPT AL Low Lead Automatic Flow Control Balancing Valve (4.50 GPM)
SKU: MBP-AL-075F075F04.50
Macon Balancing
SKU: MBP-AL-075F075F04.50
Brand: Macon Balancing
$169.18 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Valve Repair Kit for 8353 Series
Valve Repair Kit for 8353 Series
SKU: 276-886
Asco
SKU: 276-886
Brand: Asco
$286.87 each
In Stock
Get 1 by Wed, Sep 23
In Stock
Get 1 by Wed, Sep 23
Compare
Product Image of 6.5 Watt FB Coil (24v)
6.5 Watt FB Coil (24v)
SKU: 216099-002-D
Asco
SKU: 216099-002-D
Brand: Asco
$127.55 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of MasterGuard 830, 3/4" x 1" Thermostatic Mixing Valve, High Capacity (Lead Free)
MasterGuard 830, 3/4" x 1" Thermostatic Mixing Valve, High Capacity (Lead Free)
SKU: 24539
Cash-Acme
SKU: 24539
Brand: Cash-Acme
$1,452.62 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 12V DC Replacement Coil Kit (14.9 Watts)
12V DC Replacement Coil Kit (14.9 Watts)
SKU: 062691-001-D
Asco
SKU: 062691-001-D
Brand: Asco
$485.98 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 250-2-36, Relief Valve 2" NPT, 36 psi (2.5 kg/cm2)
250-2-36, Relief Valve 2" NPT, 36 psi (2.5 kg/cm2)
SKU: 183125
McDonnell & Miller
SKU: 183125
Brand: McDonnell & Miller
$1,103.29 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" Prv, Brnz w/ nbr Range 7/80#, GD-24-1-7/80
1" Prv, Brnz w/ nbr Range 7/80#, GD-24-1-7/80
SKU: GD-24-1-7/80
Armstrong International
SKU: GD-24-1-7/80
Brand: Armstrong International
$721.53 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/4" FNPT SB Union End Balancing Ball Valve
1-1/4" FNPT SB Union End Balancing Ball Valve
SKU: MBP-SB-125F125F
Macon Balancing
SKU: MBP-SB-125F125F
Brand: Macon Balancing
$141.75 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" PEX Crimp MIXCAL 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve w/ Check Valve
1/2" PEX Crimp MIXCAL 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve w/ Check Valve
SKU: 521407AC
Caleffi
SKU: 521407AC
Brand: Caleffi
$202.72 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of TBD1156F 1/2" Union Threaded Bronze Dial Set Feed Water Pressure Regulator
TBD1156F 1/2" Union Threaded Bronze Dial Set Feed Water Pressure Regulator
SKU: 0386419
Watts
SKU: 0386419
Brand: Watts
$192.07 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of HydroCal 2-1/2" ANSI Flange 3-in-1 Air, Dirt & Hydraulic Separator (ASME & CRN)
HydroCal 2-1/2" ANSI Flange 3-in-1 Air, Dirt & Hydraulic Separator (ASME & CRN)
SKU: NA549062A
Caleffi
SKU: NA549062A
Brand: Caleffi
$5,701.88 each
Backorder
Get it by Tue, Oct 20 - Thu, Nov 19
Backorder
Get it by Tue, Oct 20 - Thu, Nov 19
Compare
Product Image of FS7-28L, Replacement Paddle for FS7-F4
FS7-28L, Replacement Paddle for FS7-F4
SKU: 337900
McDonnell & Miller
SKU: 337900
Brand: McDonnell & Miller
$165.00 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of ADRP-3 5/8" ODF Discharge Bypass Valve (0 to 80 psi)
ADRP-3 5/8" ODF Discharge Bypass Valve (0 to 80 psi)
SKU: 903504P
Parker Hannifin
SKU: 903504P
Brand: Parker Hannifin
$514.94 each
In Stock
Get 1 by Mon, Sep 21
In Stock
Get 1 by Mon, Sep 21
Compare
Product Image of Normally Closed Glycol Valve Repair Kit
Normally Closed Glycol Valve Repair Kit
SKU: 22EH5C2-R1021ER
Parker Hannifin
SKU: 22EH5C2-R1021ER
Brand: Parker Hannifin
$303.10 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" MVC Commercial High Capacity High Temperature Mixing Valve
1" MVC Commercial High Capacity High Temperature Mixing Valve
SKU: 34C-105-H1
Apollo Valves
SKU: 34C-105-H1
Brand: Apollo Valves
$650.25 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" MNPT x 1/2" FNPT RVS52 205 LBS/HR Steam Safety Relief Valve (25 psi)
1/2" MNPT x 1/2" FNPT RVS52 205 LBS/HR Steam Safety Relief Valve (25 psi)
SKU: 10512B25
Apollo Valves
SKU: 10512B25
Brand: Apollo Valves
$89.59 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Threaded High Flow Thermostatic Mixing Valve Body for 1-1/2" and 2", 14.2 Cv (w/o Union Nuts)
Threaded High Flow Thermostatic Mixing Valve Body for 1-1/2" and 2", 14.2 Cv (w/o Union Nuts)
SKU: 523199A
Caleffi
SKU: 523199A
Brand: Caleffi
$1,563.83 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" Push-Fit x G1 Brass Union (Lead Free)
1/2" Push-Fit x G1 Brass Union (Lead Free)
SKU: H-7-6102W-WP
Webstone
SKU: H-7-6102W-WP
Brand: Webstone
$19.66 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" BSP Male ProPress Automatic Recirculation Balancing Valve (Lead Free)
1" BSP Male ProPress Automatic Recirculation Balancing Valve (Lead Free)
SKU: 79901
Viega
SKU: 79901
Brand: Viega
$329.72 each
In Stock
Get 2 by Mon, Sep 21
In Stock
Get 2 by Mon, Sep 21
Compare
Product Image of 1" Normally Closed 5/150# Oxygen Service Solenoid Valve (120v)
1" Normally Closed 5/150# Oxygen Service Solenoid Valve (120v)
SKU: 8210G004N
Asco RedHat
SKU: 8210G004N
Brand: Asco RedHat
$679.04 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Piston for 1-1/2" Holby Tempering Valve
Piston for 1-1/2" Holby Tempering Valve
SKU: HOL1500-PISTON
Holby
SKU: HOL1500-PISTON
Brand: Holby
$147.97 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 120V Replacement Coil Kit (10.5/11/11.8/12.4)
120V Replacement Coil Kit (10.5/11/11.8/12.4)
SKU: 064982-004-D
Asco
SKU: 064982-004-D
Brand: Asco
$180.62 each
In Stock
Get 1 by Wed, Sep 23
In Stock
Get 1 by Wed, Sep 23
Compare
Product Image of FS4-3DS, 1" Flow Switch w/Stainless Steel Body and 2 SPDT switches
FS4-3DS, 1" Flow Switch w/Stainless Steel Body and 2 SPDT switches
SKU: 114642
McDonnell & Miller
SKU: 114642
Brand: McDonnell & Miller
$684.08 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1-1/2" Sweat SV Combination Ball Valve, Wye Strainer and Union w/ 3/4" Bypass Port
1-1/2" Sweat SV Combination Ball Valve, Wye Strainer and Union w/ 3/4" Bypass Port
SKU: MBP-SV-150S150S
Macon Balancing
SKU: MBP-SV-150S150S
Brand: Macon Balancing
$257.63 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Bonnet for 1/2" Holby Tempering Valve
Bonnet for 1/2" Holby Tempering Valve
SKU: HOL0500-BONNET
Holby
SKU: HOL0500-BONNET
Brand: Holby
$142.18 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 2-Way, Normally Closed Internally Piloted Solenoid Valve Repair Kit
2-Way, Normally Closed Internally Piloted Solenoid Valve Repair Kit
SKU: 102-855
Asco
SKU: 102-855
Brand: Asco
$296.99 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of ASME Steam Safety Relief Valve, 383-600-109
ASME Steam Safety Relief Valve, 383-600-109
SKU: 383-600-109
Weil-McLain
SKU: 383-600-109
Brand: Weil-McLain
$209.49 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/8" x 3/8" ODF A7-E Constant Pressure Valve
3/8" x 3/8" ODF A7-E Constant Pressure Valve
SKU: 040305-11
Parker Hannifin
SKU: 040305-11
Brand: Parker Hannifin
$145.57 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" CPVC Union HydroGuard Thermostatic Tempering Valve (90°- 160°F)
1" CPVC Union HydroGuard Thermostatic Tempering Valve (90°- 160°F)
SKU: LFLM492-3
Powers
SKU: LFLM492-3
Brand: Powers
$279.75 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Temperature and Pressure Relief Valve (T&P), AP20403F
Temperature and Pressure Relief Valve (T&P), AP20403F
SKU: AP20403F
Rheem
SKU: AP20403F
Brand: Rheem
$32.40 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Series 5121-F2 Lead-Free Mixing Valve (No Fittings)
Series 5121-F2 Lead-Free Mixing Valve (No Fittings)
SKU: 5121-F2
Taco
SKU: 5121-F2
Brand: Taco
$86.58 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/4" CPVC Union 5003 Heating Only Mixing Valve w/ Gauge
3/4" CPVC Union 5003 Heating Only Mixing Valve w/ Gauge
SKU: 5003-HX-B3-G
Taco
SKU: 5003-HX-B3-G
Brand: Taco
$197.01 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/8" Normally Closed, Explosion-Proof General Service Solenoid Valve, 1.5 Cv (120 V)
3/8" Normally Closed, Explosion-Proof General Service Solenoid Valve, 1.5 Cv (120 V)
SKU: EF8210G36-120VAC
Asco RedHat
SKU: EF8210G36-120VAC
Brand: Asco RedHat
$460.49 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" NPT, 2-Way Normally Closed Explosion Proof Solenoid Valve, 11.5 Cv (120v)
1" NPT, 2-Way Normally Closed Explosion Proof Solenoid Valve, 11.5 Cv (120v)
SKU: EF8221G7
Asco RedHat
SKU: EF8221G7
Brand: Asco RedHat
$1,311.02 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Commercial V46 Series Pressure-Actuated Water-Regulating Valve (70-260 PSI)
Commercial V46 Series Pressure-Actuated Water-Regulating Valve (70-260 PSI)
SKU: V46EC-2C
Johnson Controls
SKU: V46EC-2C
Brand: Johnson Controls
$383.66 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/4" FNPT Union 20XL Pressure Reducing Valve (LF)
3/4" FNPT Union 20XL Pressure Reducing Valve (LF)
SKU: 34-20XL
Zurn
SKU: 34-20XL
Brand: Zurn
$157.99 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3" Threaded Normally Closed 2-Way Pilot Operated Gas Shutoff Valve (24V)
3" Threaded Normally Closed 2-Way Pilot Operated Gas Shutoff Valve (24V)
SKU: S261SG01N3LK4
Asco RedHat
SKU: S261SG01N3LK4
Brand: Asco RedHat
$1,399.15 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" Lead Free FNPT Double Union Pressure Reducing Valve w/ ASTM F1960 Male Barbed PEX Tailpiece
1" Lead Free FNPT Double Union Pressure Reducing Valve w/ ASTM F1960 Male Barbed PEX Tailpiece
SKU: 1-NR3XLDUPEXF1960
Zurn
SKU: 1-NR3XLDUPEXF1960
Brand: Zurn
$334.17 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 10/100 SCFH RMB Air Flowmeter, No Valve
10/100 SCFH RMB Air Flowmeter, No Valve
SKU: RMB-53
Dwyer
SKU: RMB-53
Brand: Dwyer
$79.66 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1/2" FNPT ThermoSetter Adjustable Thermal Balancing Valve w/ Dry Well & Dual Unions
1/2" FNPT ThermoSetter Adjustable Thermal Balancing Valve w/ Dry Well & Dual Unions
SKU: 116141AC-002
Caleffi
SKU: 116141AC-002
Brand: Caleffi
$298.84 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 3/4" Lead Free Thermostatic Mixing Valve (2 PEX, 1 Copper)
3/4" Lead Free Thermostatic Mixing Valve (2 PEX, 1 Copper)
SKU: 34-ZW1017XL2PEX1C
Zurn
SKU: 34-ZW1017XL2PEX1C
Brand: Zurn
$218.99 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 1" Pressure Reducing Valve No Union NPT
1" Pressure Reducing Valve No Union NPT
SKU: 3620502
Apollo Valves
SKU: 3620502
Brand: Apollo Valves
$347.00 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Free Floating Sewage Water SPDT Level Switch (30 ft Cable)
Free Floating Sewage Water SPDT Level Switch (30 ft Cable)
SKU: FSW2-DNPN-30
Dwyer
SKU: FSW2-DNPN-30
Brand: Dwyer
$165.24 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 20/200 SCFH RMC Air Flowmeter, Stainless Steel Valve
20/200 SCFH RMC Air Flowmeter, Stainless Steel Valve
SKU: RMC-103-SSV
Dwyer
SKU: RMC-103-SSV
Brand: Dwyer
$248.57 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of 7/8" ODF KVC22 Hot Gas Pressure Regulator
7/8" ODF KVC22 Hot Gas Pressure Regulator
SKU: 034L0144
Danfoss
SKU: 034L0144
Brand: Danfoss
$178.15 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Compare
Product Image of Coupling, Output for A085, A100, AE Actuators
Coupling, Output for A085, A100, AE Actuators
SKU: I465300
Apollo Valves
SKU: I465300
Brand: Apollo Valves
$43.40 each
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
Backorder
Get it by Mon, Oct 19 - Mon, Nov 16
×

Video