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Actuator (71)
Backflow Part (4)
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Caleffi (295)
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Accessory (14)
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20 psi (1)
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Brass (330)
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25 (1)
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145 (41)
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175 (8)

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24V (282)
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Under $1 (1)
$1 to $5 (11)
$5 to $10 (17)
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Hydronic Valves

1611 items
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Product Image of 2" Press Union LEGIOMIX Electronic Mixing Valve
2" Press Union LEGIOMIX Electronic Mixing Valve
SKU: 600096A
Caleffi
SKU: 600096A
Brand: Caleffi
$4,299.87 each
In Stock
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Product Image of 3/4" Inverted Flare 2-Way PopTop Zone Valve (24V)
3/4" Inverted Flare 2-Way PopTop Zone Valve (24V)
SKU: VT2343G13A020
Erie
SKU: VT2343G13A020
Brand: Erie
(44)
$112.75 each
In Stock
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Product Image of Valve Repack Kit, 14003296-002
Valve Repack Kit, 14003296-002
SKU: 14003296-002
Honeywell
SKU: 14003296-002
Brand: Honeywell
$142.44 each
In Stock
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Product Image of 1-1/2" Press x G1 Brass Union (Lead Free)
1-1/2" Press x G1 Brass Union (Lead Free)
SKU: H-7-8166W-WP
Webstone
SKU: H-7-8166W-WP
Brand: Webstone
$36.86 each
In Stock
Get 5 by Wed, Aug 19
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Product Image of 1-1/2" 4-Way Mixing Valve, 29.3 Cv (Female Threaded)
1-1/2" 4-Way Mixing Valve, 29.3 Cv (Female Threaded)
SKU: 193B1535
Danfoss
SKU: 193B1535
Brand: Danfoss
$419.90 each
In Stock
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Product Image of Actuator, 24v, 50 Sec
Actuator, 24v, 50 Sec
SKU: 065F-8953
Danfoss
SKU: 065F-8953
Brand: Danfoss
$631.68 each
In Stock
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Product Image of 1/2" Expansion PEX x G1 Brass Union (Lead Free)
1/2" Expansion PEX x G1 Brass Union (Lead Free)
SKU: H-7-3102W-WP
Webstone
SKU: H-7-3102W-WP
Brand: Webstone
$17.23 each
Backorder
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Product Image of 3/4" FNPT Tailpiece Kit
3/4" FNPT Tailpiece Kit
SKU: TPK34TLF
Apollo Valves
SKU: TPK34TLF
Brand: Apollo Valves
$19.70 each
In Stock
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Product Image of 1" Union NPT AMX Series DirectConnect (Lead Free)
1" Union NPT AMX Series DirectConnect (Lead Free)
SKU: AMX102-UT-1LF
Resideo Braukmann
SKU: AMX102-UT-1LF
Brand: Resideo Braukmann
(1)
$328.00 each
In Stock
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Product Image of Valve Rebuild Kit For 1/2" Valves (2 Cv or less)
Valve Rebuild Kit For 1/2" Valves (2 Cv or less)
SKU: 14003115-001
Honeywell
SKU: 14003115-001
Brand: Honeywell
$341.54 each
In Stock
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Product Image of Replacement Actuator for V8043G
Replacement Actuator for V8043G
SKU: 40003916-012
Honeywell Home
SKU: 40003916-012
Brand: Honeywell Home
$119.42 each
In Stock
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Product Image of Z-One 1/2" NPT 2-Way Straight Zone Valve Body 30 psi (3.5 Cv)
Z-One 1/2" NPT 2-Way Straight Zone Valve Body 30 psi (3.5 Cv)
SKU: Z200413
Caleffi
SKU: Z200413
Brand: Caleffi
$37.11 each
In Stock
Get 9 by Fri, Aug 21
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Product Image of 3/4" NPT Steam 2-Way Zone Valve Body (7.5 Cv)
3/4" NPT Steam 2-Way Zone Valve Body (7.5 Cv)
SKU: VS2327
Erie
SKU: VS2327
Brand: Erie
$51.29 each
In Stock
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Product Image of 3/4" NPT 2-Way Normally Closed Zone Valve, 7.5 Cv (24V)
3/4" NPT 2-Way Normally Closed Zone Valve, 7.5 Cv (24V)
SKU: VT2327G13A020
Erie
SKU: VT2327G13A020
Brand: Erie
$125.94 each
In Stock
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Product Image of 1/2" Threaded 2-Way Modulating Valve Body (4.0 Cv)
1/2" Threaded 2-Way Modulating Valve Body (4.0 Cv)
SKU: VM2223
Erie
SKU: VM2223
Brand: Erie
$50.31 each
In Stock
Get 19 by Tue, Aug 18
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Product Image of 3/4" Inverted Flare 2-Way PopTop Zone Valve w/ 18" Leads, 2.5 Cv (120V)
3/4" Inverted Flare 2-Way PopTop Zone Valve w/ 18" Leads, 2.5 Cv (120V)
SKU: VT2342G13B020
Erie
SKU: VT2342G13B020
Brand: Erie
$114.34 each
In Stock
Get 36 by Wed, Aug 19
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Product Image of 3/4" Sweat Three-Way Motorized Ball Zone Bypass Valve
3/4" Sweat Three-Way Motorized Ball Zone Bypass Valve
SKU: 644359A-3BY
Caleffi
SKU: 644359A-3BY
Brand: Caleffi
$296.66 each
In Stock
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Product Image of Z-One 1" Sweat, 3-Way Diverting Brass Valve Body, 20 PSI (7.5 Cv)
Z-One 1" Sweat, 3-Way Diverting Brass Valve Body, 20 PSI (7.5 Cv)
SKU: Z300637
Caleffi
SKU: Z300637
Brand: Caleffi
$108.68 each
In Stock
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Product Image of Replacement Thermostatic Sensor Cartridge - 115°F
Replacement Thermostatic Sensor Cartridge - 115°F
SKU: F29633
Caleffi
SKU: F29633
Brand: Caleffi
$34.28 each
In Stock
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Product Image of 3/8" Compression Chrome Plated Thermostatic Mixing Valve w/ Check Valve, Fittings, and Gauge (Lead Free)
3/8" Compression Chrome Plated Thermostatic Mixing Valve w/ Check Valve, Fittings, and Gauge (Lead Free)
SKU: H-77411W-TG
Webstone
SKU: H-77411W-TG
Brand: Webstone
$136.34 each
In Stock
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Product Image of 1/2" Sweat 3-Way Modulating Valve Body (2.0 Cv)
1/2" Sweat 3-Way Modulating Valve Body (2.0 Cv)
SKU: VM3212
Erie
SKU: VM3212
Brand: Erie
$56.65 each
In Stock
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Product Image of Dual Scale Temperature Gauge (32&deg, - 250&deg,F)
Dual Scale Temperature Gauge (32&deg, - 250&deg,F)
SKU: F29571
Caleffi
SKU: F29571
Brand: Caleffi
$28.22 each
In Stock
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Product Image of 1/2" Threaded 3-Way Modulating Valve Body (1.0 Cv)
1/2" Threaded 3-Way Modulating Valve Body (1.0 Cv)
SKU: VM3221
Erie
SKU: VM3221
Brand: Erie
$58.63 each
In Stock
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Product Image of 3/4" Sweat Tail Piece For 3/4" SolarFlex Pipe
3/4" Sweat Tail Piece For 3/4" SolarFlex Pipe
SKU: NA10003
Caleffi
SKU: NA10003
Brand: Caleffi
$11.12 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
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Product Image of 1" Sweat 2-way Straight Through Valve Body 20 psi, (7.5 Cv)
1" Sweat 2-way Straight Through Valve Body 20 psi, (7.5 Cv)
SKU: Z200637
Caleffi
SKU: Z200637
Brand: Caleffi
$80.08 each
In Stock
Get 20 by Tue, Aug 18
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Product Image of 1-1/4" - 2" Repair Kit for 34C Series
1-1/4" - 2" Repair Kit for 34C Series
SKU: 34C106RK
Apollo Valves
SKU: 34C106RK
Brand: Apollo Valves
$416.88 each
In Stock
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Product Image of 3/4" Press 2-Way Thermo-Electric Zone Valve w/ TwisTop Actuator
3/4" Press 2-Way Thermo-Electric Zone Valve w/ TwisTop Actuator
SKU: 676256A
Caleffi
SKU: 676256A
Brand: Caleffi
$168.73 each
In Stock
Get 22 by Fri, Aug 21
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Product Image of 3/4" Sweat Tail Piece w/ Check Valve (Fits 1" Nut)
3/4" Sweat Tail Piece w/ Check Valve (Fits 1" Nut)
SKU: 59905A
Caleffi
SKU: 59905A
Brand: Caleffi
$35.69 each
In Stock
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Product Image of 3/4" 420 Sweat Mixing Valve
3/4" 420 Sweat Mixing Valve
SKU: 421-1
Amtrol
SKU: 421-1
Brand: Amtrol
(1)
$151.77 each
In Stock
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Product Image of 3/8" Compression Chrome Plated Thermostatic Mixing Valve w/ Check Valve and Gauge (Lead Free)
3/8" Compression Chrome Plated Thermostatic Mixing Valve w/ Check Valve and Gauge (Lead Free)
SKU: H-77401W-TG
Webstone
SKU: H-77401W-TG
Brand: Webstone
$119.03 each
In Stock
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Product Image of 1" PEX Union 5004 Mixing Valve w/ Gauge (Low Lead)
1" PEX Union 5004 Mixing Valve w/ Gauge (Low Lead)
SKU: 5004-P3-G
Taco
SKU: 5004-P3-G
Brand: Taco
$234.06 each
In Stock
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Product Image of ESBE MG Series 3-Way Complete Interior Mixing Valve (1/2" to 1")
ESBE MG Series 3-Way Complete Interior Mixing Valve (1/2" to 1")
SKU: 082F8975
Danfoss
SKU: 082F8975
Brand: Danfoss
$127.00 each
In Stock
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Product Image of 3/4" Sweat 3-Way Modulating Valve Body (4.0 Cv)
3/4" Sweat 3-Way Modulating Valve Body (4.0 Cv)
SKU: VM3313
Erie
SKU: VM3313
Brand: Erie
$75.63 each
In Stock
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Product Image of Valve Rebuild Kit for 3/4" Valves w/ 3 CV
Valve Rebuild Kit for 3/4" Valves w/ 3 CV
SKU: 14003117-001
Honeywell
SKU: 14003117-001
Brand: Honeywell
$434.55 each
In Stock
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Product Image of 3/4" Inverted Flare Steam 3-Way Valve Body (4.0 Cv)
3/4" Inverted Flare Steam 3-Way Valve Body (4.0 Cv)
SKU: VS3343
Erie
SKU: VS3343
Brand: Erie
$71.91 each
In Stock
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Product Image of 1" Union Sweat Lead Free Mixing Valve (70-120F)
1" Union Sweat Lead Free Mixing Valve (70-120F)
SKU: AM102C1070-US-1LF
Resideo Braukmann
SKU: AM102C1070-US-1LF
Brand: Resideo Braukmann
(1)
$210.29 each
In Stock
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Product Image of 3/4" Sweat 2-Way Modulating Valve Body (4.0 Cv)
3/4" Sweat 2-Way Modulating Valve Body (4.0 Cv)
SKU: VM2313
Erie
SKU: VM2313
Brand: Erie
$69.56 each
In Stock
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Product Image of Z-One 3/4" NPT 2-Way Straight Zone Valve Body 30 psi (3.5 Cv)
Z-One 3/4" NPT 2-Way Straight Zone Valve Body 30 psi (3.5 Cv)
SKU: Z200513
Caleffi
SKU: Z200513
Brand: Caleffi
$57.21 each
In Stock
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Product Image of 3/4" Copper Press Thermostatic Mixing Valve w/ Check Valve, For High Temp (Lead Free)
3/4" Copper Press Thermostatic Mixing Valve w/ Check Valve, For High Temp (Lead Free)
SKU: H-78273W
Webstone
SKU: H-78273W
Brand: Webstone
$178.86 each
In Stock
Get 1 by Thu, Aug 20 - Fri, Aug 21
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Product Image of 1/2" Male NPT Thermostatic Mixing Valve w/ Check Valve, For High Temp (Lead Free)
1/2" Male NPT Thermostatic Mixing Valve w/ Check Valve, For High Temp (Lead Free)
SKU: H-74272W
Webstone
SKU: H-74272W
Brand: Webstone
$167.38 each
In Stock
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Product Image of 3/4" NPT Steam 2-Way Zone Valve Body (5.0 Cv)
3/4" NPT Steam 2-Way Zone Valve Body (5.0 Cv)
SKU: VS2325
Erie
SKU: VS2325
Brand: Erie
$67.76 each
In Stock
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Product Image of 3/4" Threaded 3-Way Modulating Valve Body (4.0 Cv)
3/4" Threaded 3-Way Modulating Valve Body (4.0 Cv)
SKU: VM3323
Erie
SKU: VM3323
Brand: Erie
$81.62 each
In Stock
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Product Image of 1" Sweat 3-Way Zone Valve Body (5.0 Cv)
1" Sweat 3-Way Zone Valve Body (5.0 Cv)
SKU: VT3415
Erie
SKU: VT3415
Brand: Erie
$129.65 each
In Stock
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Product Image of Transformer Kit
Transformer Kit
SKU: 9300-4163RP
Taco
SKU: 9300-4163RP
Brand: Taco
$50.69 each
In Stock
Get 4 by Wed, Aug 19
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Product Image of 1/2" Sweat 2-way Lead Free Brass Valve Body (3.5 Cv)
1/2" Sweat 2-way Lead Free Brass Valve Body (3.5 Cv)
SKU: Z207433
Caleffi
SKU: Z207433
Brand: Caleffi
$85.40 each
Backorder
Get it by Wed, Sep 16 - Wed, Oct 14
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Product Image of 240V Normally Closed High Temp PopTop Actuator w/ 18" Leads
240V Normally Closed High Temp PopTop Actuator w/ 18" Leads
SKU: AG14U020
Erie
SKU: AG14U020
Brand: Erie
$152.94 each
In Stock
Get 8 by Wed, Aug 19
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Product Image of 3/4" Sweat Steam 2-Way Zone Valve Body (7.5 Cv)
3/4" Sweat Steam 2-Way Zone Valve Body (7.5 Cv)
SKU: VS2317
Erie
SKU: VS2317
Brand: Erie
$65.55 each
In Stock
Get 2 by Tue, Aug 18
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Product Image of LEGIOMIX Sensor Probe for 1-1/2" & 2" Mixing Valves, F69804
LEGIOMIX Sensor Probe for 1-1/2" & 2" Mixing Valves, F69804
SKU: F69804
Caleffi
SKU: F69804
Brand: Caleffi
$93.45 each
In Stock
Get 1 by Wed, Aug 19
In Stock
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