Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat Offline:
Email Us
SIGN IN
0
CART
×
SIGN IN
Shop by Category
Plumbing
Heating
HVAC
Electrical
PEX
Fittings
Valves
Tools
Resources
Our Team
Account
Order History
Returns
Customer Support
Give Us Feedback
Tools
Reorder
Quick Order
Saved Carts
Lists
Resources
PEX Plumbing
PEX Tools
Radiant Heat
Boiler Room
Plumbing Supplies
Air Conditioning
Video Library
Project Calculators
Find Parts For Your Unit
Filter menu expanded
Filters
Hide Filters
5,231 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (2902)
Show
In Stock Only
(2902)
Brand
–
American Standard Filter (1)
American Standard (1)
Amtrol Filter (14)
Amtrol (14)
AO Smith Filter (1)
AO Smith (1)
Apollo Valves Filter (249)
Apollo Valves (249)
Argo Filter (1)
Argo (1)
Armstrong International Filter (4)
Armstrong International (4)
Armstrong Pumps Filter (1)
Armstrong Pumps (1)
Asco Filter (270)
Asco (270)
Asco RedHat Filter (439)
Asco RedHat (439)
Axiom Filter (1)
Axiom (1)
See More
Product Type
–
Accessory Filter (1)
Accessory (1)
Actuator Filter (15)
Actuator (15)
Adapter Kit Filter (2)
Adapter Kit (2)
Adapter Set Filter (12)
Adapter Set (12)
Air Eliminator Filter (186)
Air Eliminator (186)
Air Flow Switch Filter (2)
Air Flow Switch (2)
Air Scoop Filter (17)
Air Scoop (17)
Air Valve Filter (13)
Air Valve (13)
Air Vent Filter (9)
Air Vent (9)
Airtrol Fitting Filter (9)
Airtrol Fitting (9)
See More
Review Score
–
5 Filter (1010)
(1010)
4 Filter (138)
(138)
3 Filter (31)
(31)
2 Filter (7)
(7)
1 Filter (9)
(9)
Price Range
–
Under $1 Filter (2)
Under $1 (2)
$1 to $5 Filter (27)
$1 to $5 (27)
$5 to $10 Filter (28)
$5 to $10 (28)
$10 to $15 Filter (62)
$10 to $15 (62)
$15 to $20 Filter (88)
$15 to $20 (88)
$20 to $25 Filter (79)
$20 to $25 (79)
$25 to $30 Filter (34)
$25 to $30 (34)
$30 to $35 Filter (45)
$30 to $35 (45)
$35 to $40 Filter (55)
$35 to $40 (55)
$40 to $45 Filter (57)
$40 to $45 (57)
See More
Home
Heating Supplies & Parts
Relief Valves
Hydronic Valves, Controls & Parts
Hydronic Valves, Controls & Parts
5231 items
FILTER
Grid
List
Sort: Top Sellers
RMC-143-SSV Compare Checkbox
Compare
0.4/4 GPM RMC Water Flowmeter, Stainless Steel Valve
SKU:
RMC-143-SSV
Dwyer
SKU:
RMC-143-SSV
Brand:
Dwyer
–
+
$248.57
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
RMA-21 Compare Checkbox
Compare
1/10 LPM RMA Air Flowmeter, No Valve
SKU:
RMA-21
Dwyer
SKU:
RMA-21
Brand:
Dwyer
–
+
$61.19
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
AM102-SB-1LF Compare Checkbox
Compare
1" Union Push Connect Mixing Valve, 3.9 Cv (Lead Free)
SKU:
AM102-SB-1LF
Resideo Braukmann
SKU:
AM102-SB-1LF
Brand:
Resideo Braukmann
–
+
$247.54
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
H10A320B3F1 Compare Checkbox
Compare
60 Second Open & 8 Second Close Hydramotor Actuator (120V)
SKU:
H10A320B3F1
Asco RedHat
SKU:
H10A320B3F1
Brand:
Asco RedHat
–
+
$4,765.52
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
952579 Compare Checkbox
Compare
Sensor, 952579
SKU:
952579
Sporlan
SKU:
952579
Brand:
Sporlan
–
+
$267.54
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
EF8210G36-120VAC Compare Checkbox
Compare
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
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
268-03152 Compare Checkbox
Compare
3-Way 2" NPT Mixing Valve Spring Valve Pneumatic Actuator Assembly, 40 Cv
SKU:
268-03152
Siemens
SKU:
268-03152
Brand:
Siemens
–
+
$937.01
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Sep 22
In Stock
Get 2 by
Tue, Sep 22
Add to List
PNV-150-LF Compare Checkbox
Compare
1-1/4" Inlet x 1-1/2" Outlet Nucleous Proton Complete Digital Mixing Valve (50 to 165 GPM)
SKU:
PNV-150-LF
Leonard
SKU:
PNV-150-LF
Brand:
Leonard
–
+
$10,875.81
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 7
In Stock
Get 2 by
Mon, Sep 21
Total Available: 7
Add to List
0298574 Compare Checkbox
Compare
1-1/2" LF223S Lead Free High Capacity Pressure Valve w/ Strainer
SKU:
0298574
Watts
SKU:
0298574
Brand:
Watts
–
+
$5,250.07
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
TDN125-SWM Compare Checkbox
Compare
1-1/4" Spirotrap Magnet Dirt Eliminator (Sweat)
SKU:
TDN125-SWM
Spirotherm
SKU:
TDN125-SWM
Brand:
Spirotherm
–
+
$259.49
each
ADD TO CART
Add to List
Out of Stock
Get it by
Fri, Oct 2 - Fri, Oct 9
Out of Stock
Get it by
Fri, Oct 2 - Fri, Oct 9
Add to List
67AS Compare Checkbox
Compare
#67AS Auto Vent with Automatic Shortstop Shutoff
SKU:
67AS
Jacobus - Maid O Mist
SKU:
67AS
Brand:
Jacobus - Maid O Mist
–
+
$35.20
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
23967-0045 Compare Checkbox
Compare
1-1/2" EB25-DU Threaded Double Union Pressure Regulating Valve, 45 PSI (Lead Free)
SKU:
23967-0045
Cash-Acme
SKU:
23967-0045
Brand:
Cash-Acme
–
+
$467.09
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
302-235 Compare Checkbox
Compare
Rebuild Kit for 8320 DC Series
SKU:
302-235
Asco
SKU:
302-235
Brand:
Asco
–
+
$166.00
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
025-33705-000 Compare Checkbox
Compare
Liquid Line Valve, 025-33705-000
SKU:
025-33705-000
York
SKU:
025-33705-000
Brand:
York
–
+
$676.05
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Sep 22
In Stock
Get 4 by
Tue, Sep 22
Add to List
RMA-6-SSV Compare Checkbox
Compare
2/20 SCFH RMA Air Flowmeter, Stainless Steel Valve
SKU:
RMA-6-SSV
Dwyer
SKU:
RMA-6-SSV
Brand:
Dwyer
–
+
$81.19
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
AP14901J-1 Compare Checkbox
Compare
Temperature and Pressure Relief Valve (T&P), AP14901J-1
SKU:
AP14901J-1
Rheem
SKU:
AP14901J-1
Brand:
Rheem
–
+
$47.05
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
1725M1AHE-IN Compare Checkbox
Compare
Fixed Point Manifold Mixing Station w/ Alpha 25-55U Pump - Inverted (11 Loops)
SKU:
1725M1AHE-IN
Caleffi
SKU:
1725M1AHE-IN
Brand:
Caleffi
–
+
$2,062.51
each
ADD TO CART
Add to List
Out of Stock
Get it by
Fri, Oct 2 - Fri, Oct 9
Out of Stock
Get it by
Fri, Oct 2 - Fri, Oct 9
Add to List
502346 Compare Checkbox
Compare
Mini-E TLC Mixing Valve Kit Assembly w/ 3/8" Connections
SKU:
502346
Stiebel Eltron
SKU:
502346
Brand:
Stiebel Eltron
–
+
$269.00
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
36LF10501 Compare Checkbox
Compare
1" Union FNPT x FNPT Water Pressure Reducing Valve (25-75 psig) 36LF10501
SKU:
36LF10501
Apollo Valves
SKU:
36LF10501
Brand:
Apollo Valves
–
+
$610.66
each
ADD TO CART
Add to List
Out of Stock
Get it by
Fri, Oct 2 - Fri, Oct 9
Out of Stock
Get it by
Fri, Oct 2 - Fri, Oct 9
Add to List
380819P Compare Checkbox
Compare
RK3201 Repair Kit for R32 Series NC Refrigeration Solenoid Valves
SKU:
380819P
Parker Hannifin
SKU:
380819P
Brand:
Parker Hannifin
–
+
$162.14
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
117523 Compare Checkbox
Compare
Model PVC, 1/2" Pressure Independent Control Valve
SKU:
117523
Bell & Gossett
SKU:
117523
Brand:
Bell & Gossett
–
+
$424.24
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Sep 22
In Stock
Get 1 by
Tue, Sep 22
Add to List
5122-012RP Compare Checkbox
Compare
Cartridge O-Ring Set w/ Lubricant
SKU:
5122-012RP
Taco
SKU:
5122-012RP
Brand:
Taco
–
+
$16.42
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
903280P Compare Checkbox
Compare
ADRS-2 1/2" ODF Discharge Bypass Valve (0 to 30 psi)
SKU:
903280P
Parker Hannifin
SKU:
903280P
Brand:
Parker Hannifin
–
+
$440.49
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
112-600XLSC Compare Checkbox
Compare
1-1/2" FNPT Union x FNPT Pressure Reducing Valve w/ Sealed Cage Bell Housing & SS Adj. Screw (LF)
SKU:
112-600XLSC
Zurn
SKU:
112-600XLSC
Brand:
Zurn
–
+
$1,284.85
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
314-453 Compare Checkbox
Compare
Valve Repair Kit for 8345 AC Series
SKU:
314-453
Asco
SKU:
314-453
Brand:
Asco
–
+
$324.33
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Sep 22
In Stock
Get 1 by
Tue, Sep 22
Add to List
0009442 Compare Checkbox
Compare
2" LF25AUB-DU-Z3 Pressure Reducing Valve, Lead Free (Double Union - FNPT Union)
SKU:
0009442
Watts
SKU:
0009442
Brand:
Watts
(101)
–
+
$2,163.10
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
16F24C2164A3F Compare Checkbox
Compare
1" Gold Ring Series 2-Way Normally Closed Pilot Operated Solenoid Valve (13 Cv)
SKU:
16F24C2164A3F
Parker Hannifin
SKU:
16F24C2164A3F
Brand:
Parker Hannifin
–
+
$533.48
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
302-308 Compare Checkbox
Compare
Valve Repair Kit for 8210 Series
SKU:
302-308
Asco
SKU:
302-308
Brand:
Asco
–
+
$232.76
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
HOL0750-ASSBLY Compare Checkbox
Compare
Complete Bonnet & Gasket Assembly for 3/4" Holby Tempering Valve
SKU:
HOL0750-ASSBLY
Holby
SKU:
HOL0750-ASSBLY
Brand:
Holby
–
+
$272.99
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
V46CT-3C Compare Checkbox
Compare
Navy V46 Series Pressure-Actuated Water-Regulating Valve (70-170 PSI)
SKU:
V46CT-3C
Johnson Controls
SKU:
V46CT-3C
Brand:
Johnson Controls
–
+
$3,988.41
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
34-625XL Compare Checkbox
Compare
3/4" 625XL Single Union FNPT Pressure Reducing Valve w/ Integral By-Pass Check Valve & Strainer (LF)
SKU:
34-625XL
Zurn
SKU:
34-625XL
Brand:
Zurn
–
+
$334.99
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
112-ZW209BP Compare Checkbox
Compare
1-1/2" Lead Free Pressure Reducing Valve w/ Low Flow By-Pass
SKU:
112-ZW209BP
Zurn
SKU:
112-ZW209BP
Brand:
Zurn
–
+
$4,324.99
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
24476-0045 Compare Checkbox
Compare
1/2" EB45 Double Union SharkBite Pressure Regulating Valve (PRV) with Metal Top
SKU:
24476-0045
SharkBite
SKU:
24476-0045
Brand:
SharkBite
–
+
$86.44
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
14E23O2-R1021ER Compare Checkbox
Compare
Normally Open Glycol Valve Repair Kit
SKU:
14E23O2-R1021ER
Parker Hannifin
SKU:
14E23O2-R1021ER
Brand:
Parker Hannifin
–
+
$168.36
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
HOL2500-SPRING Compare Checkbox
Compare
Spring for 2-1/2" Holby Tempering Valve
SKU:
HOL2500-SPRING
Holby
SKU:
HOL2500-SPRING
Brand:
Holby
–
+
$70.41
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
1052006 Compare Checkbox
Compare
Adjustment Springs for LFU5-Z3, LF25AUB-Z & LF223
SKU:
1052006
Watts
SKU:
1052006
Brand:
Watts
–
+
$19.98
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
LFMM435-30 Compare Checkbox
Compare
2" HydroGuard XP Supply Fixture, Rough Bronze (60°-90°F)
SKU:
LFMM435-30
Powers
SKU:
LFMM435-30
Brand:
Powers
–
+
$5,142.66
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
VB-7263-0-4-39 Compare Checkbox
Compare
1/2" Npt Suc, Steam Valve 3.25 Cv, VB-7263-0-4-39
SKU:
VB-7263-0-4-39
Barber Colman
SKU:
VB-7263-0-4-39
Brand:
Barber Colman
–
+
$311.82
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Sep 22
In Stock
Get 1 by
Tue, Sep 22
Add to List
VB-7314-0-4-9 Compare Checkbox
Compare
1-1/4" Union Sweat 3-Way Mixing Valve (20 cv)
SKU:
VB-7314-0-4-9
Barber Colman
SKU:
VB-7314-0-4-9
Brand:
Barber Colman
–
+
$401.16
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
H-76203W Compare Checkbox
Compare
3/4" Pro Connect Push-Fit Mixing Valve w/ Check Valve, 150 PSI (Lead Free)
SKU:
H-76203W
Webstone
SKU:
H-76203W
Brand:
Webstone
–
+
$180.73
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Sep 22 - Wed, Sep 23
In Stock
Get 1 by
Tue, Sep 22 - Wed, Sep 23
Add to List
130500A Compare Checkbox
Compare
3/4" Female NPT Low Lead Manual Balancing Valve (5.1 Cv)
SKU:
130500A
Caleffi
SKU:
130500A
Brand:
Caleffi
–
+
$215.43
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
I050T3S-1 Compare Checkbox
Compare
1/2", 3 Way Setpoint I-Series Mixing Valve w/ Sensor
SKU:
I050T3S-1
Taco
SKU:
I050T3S-1
Brand:
Taco
–
+
$474.10
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
167600A Compare Checkbox
Compare
167 HydroMixer Dual Line w/ UPS15-58FC 3 Speed Pump on Right
SKU:
167600A
Caleffi
SKU:
167600A
Brand:
Caleffi
–
+
$1,482.95
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
VFA-21 Compare Checkbox
Compare
0.06/0.5 LPM VFA Air Flowmeter, No Valve
SKU:
VFA-21
Dwyer
SKU:
VFA-21
Brand:
Dwyer
–
+
$52.13
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
0009683 Compare Checkbox
Compare
LFN55BU - 1-1/2" NPT Union x NPT Female Water Pressure Reducing Valve (Lead Free)
SKU:
0009683
Watts
SKU:
0009683
Brand:
Watts
–
+
$1,450.08
each
ADD TO CART
Add to List
In Stock
Get 12 by
Mon, Sep 21 - Tue, Sep 22
In Stock
Get 12 by
Mon, Sep 21 - Tue, Sep 22
Add to List
V2JS2E03T166 Compare Checkbox
Compare
Valve Body Assembly
SKU:
V2JS2E03T166
Asco
SKU:
V2JS2E03T166
Brand:
Asco
–
+
$871.96
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
23887-0045 Compare Checkbox
Compare
3/4" EB45-C Sweat Single Union Pressure Regulating Valve, 45 PSI (Lead Free)
SKU:
23887-0045
Cash-Acme
SKU:
23887-0045
Brand:
Cash-Acme
–
+
$114.10
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
CH4C15 Compare Checkbox
Compare
CH4C15 240V Gold Ring Coil
SKU:
CH4C15
Parker Hannifin
SKU:
CH4C15
Brand:
Parker Hannifin
–
+
$97.53
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Backorder
Get it by
Fri, Oct 16 - Fri, Nov 13
Add to List
1
...
94
95
96
...
109
Refresh
×
Video