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
–

(1014)
(138)
(50)
(6)
(10)

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 (39)
$30 to $35 (39)
$35 to $40 (58)
$40 to $45 (52)

Hydronic Valves, Controls & Parts

5222 items
Grid
List
Compare
Product Image of 1" MPT Tail Piece for 523160A
1" MPT Tail Piece for 523160A
SKU: NA10009
Caleffi
SKU: NA10009
Brand: Caleffi
$41.97 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 Female Drain Ball Valve w/ T-Handle
3/4" NPT Female Drain Ball Valve w/ T-Handle
SKU: NA39589
Caleffi
SKU: NA39589
Brand: Caleffi
$27.74 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 MasterGuard 830 Fitting Replacement Kit
MasterGuard 830 Fitting Replacement Kit
SKU: MS260
Cash-Acme
SKU: MS260
Brand: Cash-Acme
$210.41 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 MasterGuard 830 Temperature Adjustment Kit
MasterGuard 830 Temperature Adjustment Kit
SKU: MS266
Cash-Acme
SKU: MS266
Brand: Cash-Acme
$21.89 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 MasterGuard 830 Fitting Service Kit
MasterGuard 830 Fitting Service Kit
SKU: MS256
Cash-Acme
SKU: MS256
Brand: Cash-Acme
$43.67 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 5" Flanged Hydro Separator, 330.2 GPM
5" Flanged Hydro Separator, 330.2 GPM
SKU: NA548120A
Caleffi
SKU: NA548120A
Brand: Caleffi
$8,774.36 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 2" Union Nut for 548009A & 548099A
2" Union Nut for 548009A & 548099A
SKU: R53005
Caleffi
SKU: R53005
Brand: Caleffi
$35.35 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 10/100 CC/Min RMA Air Flowmeter, Stainless Steel Valve, +/-8% Accuracy
10/100 CC/Min RMA Air Flowmeter, Stainless Steel Valve, +/-8% Accuracy
SKU: RMA-150-SSV
Dwyer
SKU: RMA-150-SSV
Brand: Dwyer
$112.08 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 1/11 GPH RMA Water Flowmeter, Stainless Steel Valve
1/11 GPH RMA Water Flowmeter, Stainless Steel Valve
SKU: RMA-42-SSV
Dwyer
SKU: RMA-42-SSV
Brand: Dwyer
$81.19 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 0.5/5 SCFH RMB Air Flowmeter, Stainless Steel Valve, +/-5% Accuracy
0.5/5 SCFH RMB Air Flowmeter, Stainless Steel Valve, +/-5% Accuracy
SKU: RMB-49-SSV
Dwyer
SKU: RMB-49-SSV
Brand: Dwyer
$102.77 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 1.2/10 SCFH & 0.6/5 LPM RMB Air Flowmeter, Stainless Steel Valve
1.2/10 SCFH & 0.6/5 LPM RMB Air Flowmeter, Stainless Steel Valve
SKU: RMB-50D-SSV
Dwyer
SKU: RMB-50D-SSV
Brand: Dwyer
$102.77 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 20/200 SCFH RMB Air Flowmeter, No Valve
20/200 SCFH RMB Air Flowmeter, No Valve
SKU: RMB-54
Dwyer
SKU: RMB-54
Brand: Dwyer
$79.66 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 100/1000 SCFH RMC Air Flowmeter, Stainless Steel Valve
100/1000 SCFH RMC Air Flowmeter, Stainless Steel Valve
SKU: RMC-106-SSV
Dwyer
SKU: RMC-106-SSV
Brand: Dwyer
$248.57 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 1.2/10 GPM RMC Water Flowmeter, Stainless Steel Valve
1.2/10 GPM RMC Water Flowmeter, Stainless Steel Valve
SKU: RMC-145-SSV
Dwyer
SKU: RMC-145-SSV
Brand: Dwyer
$248.57 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" FPT x Sweat TM-2020B-LF-DT Next Generation High-Low Manifold System (1 to 226 GPM)
2" FPT x Sweat TM-2020B-LF-DT Next Generation High-Low Manifold System (1 to 226 GPM)
SKU: TM-2020B-LF-DT
Leonard
SKU: TM-2020B-LF-DT
Brand: Leonard
$5,914.13 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 3/4" FPT Inlet x 1" Outlet TM-420B-LF-DT-RF Next Generation High-Low Manifold System (1 to 49 GPM) (Lead Free) (RC)
3/4" FPT Inlet x 1" Outlet TM-420B-LF-DT-RF Next Generation High-Low Manifold System (1 to 49 GPM) (Lead Free) (RC)
SKU: TM-420B-LF-DT-RF
Leonard
SKU: TM-420B-LF-DT-RF
Brand: Leonard
$3,269.77 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 Recondition Kit 1/2" NC Cage Trim Valve
Recondition Kit 1/2" NC Cage Trim Valve
SKU: V-3974-6003
Johnson Controls
SKU: V-3974-6003
Brand: Johnson Controls
$525.20 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 Recondition Kit for 6 N/O Flanged Valve
Recondition Kit for 6 N/O Flanged Valve
SKU: V-5252-6008
Johnson Controls
SKU: V-5252-6008
Brand: Johnson Controls
$3,556.31 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 Maritime V46 Series Pressure-Actuated Water-Regulating Valve (70-260 PSI)
Maritime V46 Series Pressure-Actuated Water-Regulating Valve (70-260 PSI)
SKU: V46BA-2C
Johnson Controls
SKU: V46BA-2C
Brand: Johnson Controls
$524.60 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" Threaded Normally Open 2-Way Pilot Operated Gas Shutoff Valve (120V)
2-1/2" Threaded Normally Open 2-Way Pilot Operated Gas Shutoff Valve (120V)
SKU: S262SG02N3KK4
Asco RedHat
SKU: S262SG02N3KK4
Brand: Asco RedHat
$1,370.82 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" Spirotrap Drain Steel Dirt Separators with removable head (Flanged)
2" Spirotrap Drain Steel Dirt Separators with removable head (Flanged)
SKU: TDN200-FA
Spirotherm
SKU: TDN200-FA
Brand: Spirotherm
$4,047.57 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 2" Spirotrap Dirt Separator (Flanged)
2" Spirotrap Dirt Separator (Flanged)
SKU: TDT200-FA
Spirotherm
SKU: TDT200-FA
Brand: Spirotherm
$3,119.25 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 Series-H10 SPDT Proof of Closure Switch
Series-H10 SPDT Proof of Closure Switch
SKU: S104772EAX1
Asco RedHat
SKU: S104772EAX1
Brand: Asco RedHat
$4,719.98 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" Spirotrap Dirt Separator (Male Thread)
3" Spirotrap Dirt Separator (Male Thread)
SKU: TDT300-MT
Spirotherm
SKU: TDT300-MT
Brand: Spirotherm
$2,917.09 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 4" Spirotrap Dirt Separator (Flanged)
4" Spirotrap Dirt Separator (Flanged)
SKU: TDT400-FA
Spirotherm
SKU: TDT400-FA
Brand: Spirotherm
$4,606.33 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 24V Solenoid Valve Coil (11W), S1-025-30287-700
24V Solenoid Valve Coil (11W), S1-025-30287-700
SKU: S1-025-30287-700
York
SKU: S1-025-30287-700
Brand: York
$65.70 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 10/100 CC/Min RMA Air Flowmeter, No Valve, +/-8% Accuracy
10/100 CC/Min RMA Air Flowmeter, No Valve, +/-8% Accuracy
SKU: RMA-150
Dwyer
SKU: RMA-150
Brand: Dwyer
$92.07 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 20/300 CC/Min RMA Water Flowmeter, Stainless Steel Valve
20/300 CC/Min RMA Water Flowmeter, Stainless Steel Valve
SKU: RMA-34-SSV
Dwyer
SKU: RMA-34-SSV
Brand: Dwyer
$81.19 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 5/50 GPH RMA Water Flowmeter, Stainless Steel Valve
5/50 GPH RMA Water Flowmeter, Stainless Steel Valve
SKU: RMA-45-SSV
Dwyer
SKU: RMA-45-SSV
Brand: Dwyer
$81.19 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 1/10 SCFH RMA Air Flowmeter, No Valve
1/10 SCFH RMA Air Flowmeter, No Valve
SKU: RMA-5
Dwyer
SKU: RMA-5
Brand: Dwyer
$61.19 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 Series-H30A2220 Pump Unit (120V)
Series-H30A2220 Pump Unit (120V)
SKU: S106927A222
Asco RedHat
SKU: S106927A222
Brand: Asco RedHat
$5,894.63 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 12 VDC Coil
12 VDC Coil
SKU: 501695-004-D
Asco RedHat
SKU: 501695-004-D
Brand: Asco RedHat
$579.69 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 M/R Pressure Switch w/ Watertight Enclosure
M/R Pressure Switch w/ Watertight Enclosure
SKU: SD21D
Asco
SKU: SD21D
Brand: Asco
$4,286.69 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" - 1/2" SS-263AP 3-Way S.S. Compact Water Pressure Regulator (10-125 PSI)
1/4" - 1/2" SS-263AP 3-Way S.S. Compact Water Pressure Regulator (10-125 PSI)
SKU: SS263AP
Watts
SKU: SS263AP
Brand: Watts
$1,334.85 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" NPT Weatherproof Vane Operated Flow Switch
1" NPT Weatherproof Vane Operated Flow Switch
SKU: V7-WBS-30N
Dwyer
SKU: V7-WBS-30N
Brand: Dwyer
$139.52 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 2" Maritime V46 Series Pressure Actuated Water-Regulating Valve (160-260 PSI)
2" Maritime V46 Series Pressure Actuated Water-Regulating Valve (160-260 PSI)
SKU: V46BS-4C
Johnson Controls
SKU: V46BS-4C
Brand: Johnson Controls
(1)
$3,799.96 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 Navy V46 Series Pressure-Actuated Water-Regulating Valve (160-260 PSI)
Navy V46 Series Pressure-Actuated Water-Regulating Valve (160-260 PSI)
SKU: V46CT-4C
Johnson Controls
SKU: V46CT-4C
Brand: Johnson Controls
$4,088.12 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" Spirovent Drain- Steel air and dirt separators with removable head (Flanged)
2-1/2" Spirovent Drain- Steel air and dirt separators with removable head (Flanged)
SKU: VDN250-FA
Spirotherm
SKU: VDN250-FA
Brand: Spirotherm
$5,039.55 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 3" Spirovent Drain- Steel air and dirt separators with removable head (Flanged)
3" Spirovent Drain- Steel air and dirt separators with removable head (Flanged)
SKU: VDN300-FA
Spirotherm
SKU: VDN300-FA
Brand: Spirotherm
$6,534.45 each
In Stock
Get 1 by Thu, Nov 5 - Mon, Nov 9
In Stock
Get 1 by Thu, Nov 5 - Mon, Nov 9
Compare
Product Image of 0.6/5 LPM VFA Air Flowmeter, Brass Valve
0.6/5 LPM VFA Air Flowmeter, Brass Valve
SKU: VFA-23-BV
Dwyer
SKU: VFA-23-BV
Brand: Dwyer
$67.65 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 2/20 SCFH VFA Air Flowmeter, Stainless Steel Valve
2/20 SCFH VFA Air Flowmeter, Stainless Steel Valve
SKU: VFA-5-SSV
Dwyer
SKU: VFA-5-SSV
Brand: Dwyer
$90.54 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 0.2/4 LPM VFB Air Flowmeter, Stainless Steel Valve
0.2/4 LPM VFB Air Flowmeter, Stainless Steel Valve
SKU: VFB-65-SSV
Dwyer
SKU: VFB-65-SSV
Brand: Dwyer
$126.48 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 V246 Series Pressure-Actuated Water-Regulating Valve (1-1/2" Flanged)
V246 Series Pressure-Actuated Water-Regulating Valve (1-1/2" Flanged)
SKU: V246GR1-001C
Johnson Controls
SKU: V246GR1-001C
Brand: Johnson Controls
$821.32 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 0.15/1 LPM VFA Air Flowmeter, Brass Valve
0.15/1 LPM VFA Air Flowmeter, Brass Valve
SKU: VFA-22-BV
Dwyer
SKU: VFA-22-BV
Brand: Dwyer
$67.65 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 0.6/5 SCFH VFA Air Flowmeter, Stainless Steel Valve
0.6/5 SCFH VFA Air Flowmeter, Stainless Steel Valve
SKU: VFA-3-SSV
Dwyer
SKU: VFA-3-SSV
Brand: Dwyer
$90.54 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 2/20 SCFH VFA Air Flowmeter, Brass Valve
2/20 SCFH VFA Air Flowmeter, Brass Valve
SKU: VFA-5-BV
Dwyer
SKU: VFA-5-BV
Brand: Dwyer
$67.65 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 2/20 GPM VFC Water Flowmeter
2/20 GPM VFC Water Flowmeter
SKU: VFC-143
Dwyer
SKU: VFC-143
Brand: Dwyer
$185.19 each
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
Backorder
Get it by Thu, Dec 3 - Wed, Jan 6
×

Video