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
8262H002 Compare Checkbox
Compare
1/8" Normally Closed Solenoid Valve (120v)
SKU:
8262H002
Asco RedHat
SKU:
8262H002
Brand:
Asco RedHat
(1)
–
+
$95.49
each
ADD TO CART
Add to List
In Stock
Get 14 by
Mon, Sep 21
Total Available: 103
In Stock
Get 14 by
Mon, Sep 21
Total Available: 103
Add to List
6551632 Compare Checkbox
Compare
3/4" LFMMVM1-CEF Lead Free Mixing Valve (Expansion PEX)
SKU:
6551632
Watts
SKU:
6551632
Brand:
Watts
(19)
–
+
$150.52
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Sep 21
In Stock
Get 6 by
Mon, Sep 21
Add to List
1030310 Compare Checkbox
Compare
3/4" FNPT RVW30 805,000 BTU Bronze Relief Valve (50 psi)
SKU:
1030310
Apollo Valves
SKU:
1030310
Brand:
Apollo Valves
–
+
$127.91
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 15
In Stock
Get 3 by
Mon, Sep 21
Total Available: 15
Add to List
H-7-8104W-WP Compare Checkbox
Compare
1" Press x G1 Brass Union (Lead Free)
SKU:
H-7-8104W-WP
Webstone
SKU:
H-7-8104W-WP
Brand:
Webstone
(2)
–
+
$25.66
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 18
In Stock
Get 2 by
Mon, Sep 21
Total Available: 18
Add to List
K3A772V Compare Checkbox
Compare
1-1/4" Threaded 2-Way Normally Closed Medium Pressure Direct Acting Gas Shutoff Valve (120v)
SKU:
K3A772V
Asco RedHat
SKU:
K3A772V
Brand:
Asco RedHat
–
+
$371.88
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 36
In Stock
Get 2 by
Mon, Sep 21
Total Available: 36
Add to List
DS06-104-LF Compare Checkbox
Compare
1-1/2" NPT DialSet Pressure Regulating Valve
SKU:
DS06-104-LF
Resideo Braukmann
SKU:
DS06-104-LF
Brand:
Resideo Braukmann
(1)
–
+
$260.93
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Sep 22
Total Available: 6
In Stock
Get 4 by
Tue, Sep 22
Total Available: 6
Add to List
VDX-125-FTM Compare Checkbox
Compare
1-1/4" Spirovent 1-1/4 IPS Jr. Air Eliminator
SKU:
VDX-125-FTM
Spirotherm
SKU:
VDX-125-FTM
Brand:
Spirotherm
–
+
$514.15
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Sep 21
Total Available: 4
In Stock
Get 1 by
Mon, Sep 21
Total Available: 4
Add to List
24524 Compare Checkbox
Compare
HG145, 3/8" Compression Thermostatic Mixing Valve (Lead Free)
SKU:
24524
Cash-Acme
SKU:
24524
Brand:
Cash-Acme
–
+
$89.49
each
ADD TO CART
Add to List
In Stock
Get 12 by
Mon, Sep 21
Total Available: 16
In Stock
Get 12 by
Mon, Sep 21
Total Available: 16
Add to List
302280 Compare Checkbox
Compare
Valve Rebuild Kit for 3UK60, 3UK61, 3UK68, 3UK69
SKU:
302280
Asco
SKU:
302280
Brand:
Asco
(2)
–
+
$269.77
each
ADD TO CART
Add to List
In Stock
Get 10 by
Mon, Sep 21
Total Available: 31
In Stock
Get 10 by
Mon, Sep 21
Total Available: 31
Add to List
521419AC Compare Checkbox
Compare
1/2" Sweat MIXCAL 3-Way Thermostatic Mixing Valve w/ Temp Gauge & Check Valve (Lead Free)
SKU:
521419AC
Caleffi
SKU:
521419AC
Brand:
Caleffi
(2)
–
+
$196.68
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 14
In Stock
Get 3 by
Mon, Sep 21
Total Available: 14
Add to List
N10442LF Compare Checkbox
Compare
1/4" x 1/8" Angle Compression Needle Valve (Lead Free)
SKU:
N10442LF
Jones Stephens
SKU:
N10442LF
Brand:
Jones Stephens
–
+
$5.48
each
BOX UP & SAVE 13%
–
+
$95.00 box of 20
$4.75
each
ADD TO CART
Add to List
Out of Stock
Get it by
Mon, Oct 5 - Mon, Oct 12
Out of Stock
Get it by
Mon, Oct 5 - Mon, Oct 12
Add to List
24505 Compare Checkbox
Compare
HG-110DLF 3/4" SharkBite Heatguard Thermostatic Mixing Valve w/ Integral Connectors (Lead Free)
SKU:
24505
SharkBite
SKU:
24505
Brand:
SharkBite
(8)
–
+
$105.05
each
ADD TO CART
Add to List
In Stock
Get 32 by
Mon, Sep 21
Total Available: 37
In Stock
Get 32 by
Mon, Sep 21
Total Available: 37
Add to List
VB-7313-0-4-10 Compare Checkbox
Compare
1-1/2" NPT Mixing Valve
SKU:
VB-7313-0-4-10
Barber Colman
SKU:
VB-7313-0-4-10
Brand:
Barber Colman
(4)
–
+
$374.91
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 16
In Stock
Get 2 by
Mon, Sep 21
Total Available: 16
Add to List
10-512-S50-VLV Compare Checkbox
Compare
1/2" NPT 339 LBS/HR Steam Safety Relief Valve (50 psi)
SKU:
10-512-S50-VLV
Apollo Valves
SKU:
10-512-S50-VLV
Brand:
Apollo Valves
–
+
$120.21
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 18
In Stock
Get 3 by
Mon, Sep 21
Total Available: 18
Add to List
PV150 Compare Checkbox
Compare
1-1/2" NPT SuperVent Air Eliminator, PV150
SKU:
PV150
Resideo
SKU:
PV150
Brand:
Resideo
(22)
–
+
$262.24
each
ADD TO CART
Add to List
In Stock
Get 8 by
Mon, Sep 21
Total Available: 22
In Stock
Get 8 by
Mon, Sep 21
Total Available: 22
Add to List
930004 Compare Checkbox
Compare
SDR-3 5/8" ODF Angle Electronic Discharge Bypass Valve w/ 10 Ft. Cable
SKU:
930004
Sporlan
SKU:
930004
Brand:
Sporlan
–
+
$736.73
each
ADD TO CART
Add to List
Out of Stock
Get it by
Mon, Oct 5 - Mon, Oct 12
Out of Stock
Get it by
Mon, Oct 5 - Mon, Oct 12
Add to List
193B1506 Compare Checkbox
Compare
1-1/2" 3-Way Mixing Valve, -15 to 230°F (Threaded)
SKU:
193B1506
Danfoss
SKU:
193B1506
Brand:
Danfoss
(1)
–
+
$294.47
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 8
In Stock
Get 2 by
Mon, Sep 21
Total Available: 8
Add to List
127349AFG75 Compare Checkbox
Compare
1/2" Sweat FlowCal Automatic Flow Balancing Valve (0.75 GPM)
SKU:
127349AFG75
Caleffi
SKU:
127349AFG75
Brand:
Caleffi
–
+
$91.00
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Sep 21
Total Available: 20
In Stock
Get 6 by
Mon, Sep 21
Total Available: 20
Add to List
R0001457 Compare Checkbox
Compare
Union Gasket, R0001457
SKU:
R0001457
Caleffi
SKU:
R0001457
Brand:
Caleffi
–
+
$3.84
each
ADD TO CART
Add to List
In Stock
Get 14 by
Mon, Sep 21
Total Available: 41
In Stock
Get 14 by
Mon, Sep 21
Total Available: 41
Add to List
8210G008 Compare Checkbox
Compare
1-1/4" Normally Closed Solenoid Valve, 15 CV (120v)
SKU:
8210G008
Asco RedHat
SKU:
8210G008
Brand:
Asco RedHat
–
+
$522.21
each
ADD TO CART
Add to List
In Stock
Get 9 by
Mon, Sep 21
Total Available: 33
In Stock
Get 9 by
Mon, Sep 21
Total Available: 33
Add to List
ACUF-050-AT-2 Compare Checkbox
Compare
1/2" Threaded ACCU-FLO Balancing Valve
SKU:
ACUF-050-AT-2
Taco
SKU:
ACUF-050-AT-2
Brand:
Taco
–
+
$80.53
each
ADD TO CART
Add to List
In Stock
Get 188 by
Tue, Sep 22
Total Available: 404
In Stock
Get 188 by
Tue, Sep 22
Total Available: 404
Add to List
18C40230 Compare Checkbox
Compare
3/4" MNPT x 3/4" FNPT 18C400 105,000 BTU Capacity T & P Relief Valve w/ 3" Probe (150 psi)
SKU:
18C40230
Apollo Valves
SKU:
18C40230
Brand:
Apollo Valves
(1)
–
+
$41.19
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 14
In Stock
Get 2 by
Mon, Sep 21
Total Available: 14
Add to List
521357A Compare Checkbox
Compare
3/4" PEX Crimp Scald Protection 3-Way Thermostatic Mixing Valve, 2 CV (Lead Free)
SKU:
521357A
Caleffi
SKU:
521357A
Brand:
Caleffi
–
+
$104.44
each
ADD TO CART
Add to List
In Stock
Get 9 by
Mon, Sep 21
Total Available: 20
In Stock
Get 9 by
Mon, Sep 21
Total Available: 20
Add to List
77320 Compare Checkbox
Compare
G23-240 Solenoid Coil for General Purpose Valve
SKU:
77320
Parker Hannifin
SKU:
77320
Brand:
Parker Hannifin
(1)
–
+
$108.34
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tue, Sep 22
Total Available: 15
In Stock
Get 8 by
Tue, Sep 22
Total Available: 15
Add to List
520619A Compare Checkbox
Compare
1" Sweat Union AngleMix 3-Way Thermostatic Mixing Valve w/ Gauge
SKU:
520619A
Caleffi
SKU:
520619A
Brand:
Caleffi
(1)
–
+
$303.48
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Sep 21
Total Available: 18
In Stock
Get 4 by
Mon, Sep 21
Total Available: 18
Add to List
032L1212 Compare Checkbox
Compare
3/8" ODF EVR6 Solenoid Valve without Manual Operation
SKU:
032L1212
Danfoss
SKU:
032L1212
Brand:
Danfoss
–
+
$82.30
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 19
In Stock
Get 3 by
Mon, Sep 21
Total Available: 19
Add to List
5123-C2 Compare Checkbox
Compare
3/4" Sweat 5123 Mixing Valve (Low Lead)
SKU:
5123-C2
Taco
SKU:
5123-C2
Brand:
Taco
(5)
–
+
$142.11
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Sep 21
Total Available: 24
In Stock
Get 6 by
Mon, Sep 21
Total Available: 24
Add to List
0559162 Compare Checkbox
Compare
3/4" LFMMVM1 CPVC Lead Free Mixing Valve
SKU:
0559162
Watts
SKU:
0559162
Brand:
Watts
(1)
–
+
$194.70
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Sep 21
Total Available: 93
In Stock
Get 4 by
Mon, Sep 21
Total Available: 93
Add to List
V4295A1015 Compare Checkbox
Compare
Solenoid, Normally Closed Gas Valve, 1/2" NPT Pipe Size, 2 PSI Rated
SKU:
V4295A1015
Honeywell
SKU:
V4295A1015
Brand:
Honeywell
(1)
–
+
$264.73
each
ADD TO CART
Add to List
In Stock
Get 15 by
Mon, Sep 21
Total Available: 77
In Stock
Get 15 by
Mon, Sep 21
Total Available: 77
Add to List
NA545356 Compare Checkbox
Compare
1" DIRTMAG - Dirt Separator with Magnet & Isolation Valves (Union NPT)
SKU:
NA545356
Caleffi
SKU:
NA545356
Brand:
Caleffi
(2)
–
+
$261.42
each
ADD TO CART
Add to List
In Stock
Get 7 by
Mon, Sep 21
Total Available: 12
In Stock
Get 7 by
Mon, Sep 21
Total Available: 12
Add to List
18C5225150 Compare Checkbox
Compare
1" FNPT Commercial ASME T&P Relief Valve (5" Element, 150 psi)
SKU:
18C5225150
Apollo Valves
SKU:
18C5225150
Brand:
Apollo Valves
(1)
–
+
$394.05
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 8
In Stock
Get 2 by
Mon, Sep 21
Total Available: 8
Add to List
8214G261 Compare Checkbox
Compare
1-1/4" NPT Normally Closed, 2-Way Gas Shutoff Solenoid Valve 1,725,500 BTU (120V)
SKU:
8214G261
Asco RedHat
SKU:
8214G261
Brand:
Asco RedHat
–
+
$440.13
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 15
In Stock
Get 3 by
Mon, Sep 21
Total Available: 15
Add to List
114-NR3XL Compare Checkbox
Compare
1-1/4" Lead Free 114-NR3XL Water Pressure Reducing Valve
SKU:
114-NR3XL
Zurn
SKU:
114-NR3XL
Brand:
Zurn
(3)
–
+
$659.99
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 16
In Stock
Get 3 by
Mon, Sep 21
Total Available: 16
Add to List
DS06-105-SUT-LF Compare Checkbox
Compare
2" Single Union NPT DialSet Pressure Regulating Valve (Lead Free)
SKU:
DS06-105-SUT-LF
Resideo Braukmann
SKU:
DS06-105-SUT-LF
Brand:
Resideo Braukmann
(2)
–
+
$647.49
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 31
In Stock
Get 3 by
Mon, Sep 21
Total Available: 31
Add to List
280176A Compare Checkbox
Compare
1-1/4" Female NPT ThermoProtec Thermostatic Mixing Valve (140-Degrees F Tset)
SKU:
280176A
Caleffi
SKU:
280176A
Brand:
Caleffi
(1)
–
+
$338.21
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tue, Sep 22
Total Available: 10
In Stock
Get 7 by
Tue, Sep 22
Total Available: 10
Add to List
1061515 Compare Checkbox
Compare
1" FNPT x 1-1/4" FNPT RVW61 3,200,000 BTU Bronze Hot Water Relief Valve (75 psi)
SKU:
1061515
Apollo Valves
SKU:
1061515
Brand:
Apollo Valves
–
+
$266.80
each
ADD TO CART
Add to List
In Stock
Get 5 by
Mon, Sep 21
Total Available: 23
In Stock
Get 5 by
Mon, Sep 21
Total Available: 23
Add to List
0009118 Compare Checkbox
Compare
3/4" LFU5B-Z3 Pressure Reducing Valve with Bypass Check Valve, Lead Free
SKU:
0009118
Watts
SKU:
0009118
Brand:
Watts
(4)
–
+
$1,025.89
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 18
In Stock
Get 2 by
Mon, Sep 21
Total Available: 18
Add to List
MBP-SV-050S050S Compare Checkbox
Compare
1/2" Sweat SV Combination Ball Valve, Wye Strainer and Union w/ 1/2" Bypass Port
SKU:
MBP-SV-050S050S
Macon Balancing
SKU:
MBP-SV-050S050S
Brand:
Macon Balancing
–
+
$94.29
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
549509A Compare Checkbox
Compare
SEP4 2" NPT F 4-in-1 Air, Dirt, Hydro & Magnet Hydraulic Separator
SKU:
549509A
Caleffi
SKU:
549509A
Brand:
Caleffi
–
+
$1,284.48
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Sep 21
Total Available: 14
In Stock
Get 2 by
Mon, Sep 21
Total Available: 14
Add to List
546368AM Compare Checkbox
Compare
1-1/2" Press 5463M Series DIRTMAG Pro Dirt Separator w/ Dual Magnets
SKU:
546368AM
Caleffi
SKU:
546368AM
Brand:
Caleffi
–
+
$444.85
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Sep 21
Total Available: 12
In Stock
Get 4 by
Mon, Sep 21
Total Available: 12
Add to List
23870 Compare Checkbox
Compare
EB-45 Cartridge Kit (1/2" to 3/4" Compact Models)
SKU:
23870
Cash-Acme
SKU:
23870
Brand:
Cash-Acme
–
+
$39.08
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Oct 12 - Mon, Oct 19
Backorder
Get it by
Mon, Oct 12 - Mon, Oct 19
Add to List
548009A Compare Checkbox
Compare
2" NPT Union Hydro Separator
SKU:
548009A
Caleffi
SKU:
548009A
Brand:
Caleffi
–
+
$798.51
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Sep 21
Total Available: 10
In Stock
Get 4 by
Mon, Sep 21
Total Available: 10
Add to List
00063067 Compare Checkbox
Compare
FS-200-W NEMA-1 Paddle-Type Flow Switch
SKU:
00063067
Watts
SKU:
00063067
Brand:
Watts
(1)
–
+
$570.74
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Sep 22
Total Available: 3
In Stock
Get 2 by
Tue, Sep 22
Total Available: 3
Add to List
521347A Compare Checkbox
Compare
1/2" PEX Crimp Scald Protection 3-Way Thermostatic Mixing Valve, 2 CV (Lead Free)
SKU:
521347A
Caleffi
SKU:
521347A
Brand:
Caleffi
–
+
$117.21
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tue, Sep 22
Total Available: 12
In Stock
Get 8 by
Tue, Sep 22
Total Available: 12
Add to List
3350-H3 Compare Checkbox
Compare
1/2" Union Press Cartridge Pressure Reducing Valve w/ AutoFill
SKU:
3350-H3
Taco
SKU:
3350-H3
Brand:
Taco
(1)
–
+
$115.79
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 25
In Stock
Get 3 by
Mon, Sep 21
Total Available: 25
Add to List
22595 Compare Checkbox
Compare
EB-45 Cartridge Kit (1/2" to 1" Classic Models)
SKU:
22595
Cash-Acme
SKU:
22595
Brand:
Cash-Acme
(7)
–
+
$61.97
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Sep 24
In Stock
Get 1 by
Thu, Sep 24
Add to List
14003294-004 Compare Checkbox
Compare
Valve Repack/Rebuild Kit For V5011A,F
SKU:
14003294-004
Honeywell
SKU:
14003294-004
Brand:
Honeywell
(2)
–
+
$170.14
each
ADD TO CART
Add to List
In Stock
Get 7 by
Mon, Sep 21
Total Available: 51
In Stock
Get 7 by
Mon, Sep 21
Total Available: 51
Add to List
521410AC Compare Checkbox
Compare
1/2" Male NPT MIXCAL 3-Way Adjustable Thermostatic Mixing Valve w/ Temp Gauge & Inlet Check Valves
SKU:
521410AC
Caleffi
SKU:
521410AC
Brand:
Caleffi
–
+
$227.05
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Sep 21
Total Available: 14
In Stock
Get 3 by
Mon, Sep 21
Total Available: 14
Add to List
1
...
20
21
22
...
109
Refresh
×
Video