PlumbingStore.com
ordering information shipping information return policy contact us view your shopping cart search our PlumbingStore!

Quality Zone Valves

go to Sparco zone valve parts - go to specs for Sparco zone valves
go to Grundfos circulation and hydronic pumps - go to general backflow prevention




Sparco PowerTrack
Low cost, fast-acting, compact motorized zone valve.
Sparco PowerTrack is the first linear zone valve with a built-in balancing plug that permits pre-balancing for each zone.
Zone Valves
  • Rack and pinion linear design, no linkages to break.
  • Fast acting, 10-12 seconds to open, 4 seconds to close.
  • Low power consumption, 8 valves 40 VA transformer.
  • External valve position indicator.
  • Quiet operation, no water hammer.
  • Built-in tamper resistant balancing valve for pre-balancing.
  • High torque, constant speed synchronous motor.
  • Cooler running, longer life motor with heavy duty gearbox.
  • Operator can be replaced without draining system.
  • Manual opening feature.
  • Replaceable valve cartridge.
  • Large adjustable flow, 1" Cv 7.0, 3/4" Cv 5.8.
  • Motor CSA recognized.
  • 4 wire operator with auxiliary switch.
  • 2 wire without switch, 12" leads.
  • Compatible with most programmable thermostats.
  • Bronze casting; brass/stainless trim.
  • 3 year limited warranty.
  • Patent Nos. 5,529,282; D369,650; 2,052,382
to specifications for Sparco PowerTrack linear zone valve

to parts for Sparco PowerTrack zone valve

Model Description Price & Quantity
MZV524-T 1/2" NPT - bronze $110.08
MZV524E-T 1/2" NPT - bronze $112.79
MZV525-T 3/4" NPT - bronze $111.37
MZV525E-T 3/4" NPT - bronze $117.56
MZV526-T 1" NPT - bronze $118.80
MZV526E-T 1" NPT - bronze $126.39
MZV525 3/4" sweat - bronze $110.53
MZV525E 3/4" sweat - bronze $115.64
MZV526 1" sweat - bronze $120.12
MZV526E 1" sweat - bronze $127.28
MZV527* 1 1/4" sweat - bronze $142.39
MZV527E* 1 1/4" sweat - bronze $147.95
* Ship with fittings (unassembled) that will adapt 1" to 1 1/4"

- Or -Click to view items in your shopping cart


Multiple Zone Valve
Multiple Zone Valve Return Manifold - with MZV Operators
Zone Valves
  • Three or four zone multiple zone valves.
  • Large flow rate, up to 10 gpm per zone.
  • Low current draw, 0.25 amps, means low operating costs.
  • Maximum shut off diff. pressure 40 ft., 17.5 psi.
  • Maximum temp/pressure: 220 ºF/125psi.
  • Bronze casting.
  • Click here for dimensional diagram
Manifolds are used to control individual heating loop flow and temperature controls through both Supply and Return configurations. Individual tubing loops are connected to the manifolds through connection adapters. Supply Manifold Header Without Valves are used in combination with Return manifolds that contain valves for individual loop flow and temperature control.
Return Manifolds - With Valves incorporate build-in balancing valves to allow flow adjustment and balance for individual heating loops.

to specifications for SparcoZone multiple zone valve

to parts for SparcoZone multiple zone valve

Model Description Price & Quantity
SZ3S1 Branch connection 3/4" sweat 3 zones - no controls $440.07
SZ3T1 Branch connection 3/4" NPT 3 zones - no controls $438.62
SZ4S1 Branch connection 3/4" sweat 4 zones - no controls $562.11
SZ4T1 Branch connection 3/4" NPT 4 zones - no controls $562.90

- Or -Click to view items in your shopping cart


Multiple Zone Valve
Multiple Zone Valve Return Manifold without Operators
Zone Valves
  • Three or four zone multiple zone valves.
  • Large flow rate, up to 10 gpm per zone.
  • Low current draw, 0.25 amps, means low operating costs.
  • Maximum shut off diff. pressure 40 ft., 17.5 psi.
  • Maximum temp/pressure: 220 ºF/125psi.
  • Bronze casting.
  • Approximate dimensions: 3 5/8" high x 11.3" long x 2" deep.
Manifolds are used to control individual heating loop flow and temperature controls through bothSupply and Return configurations. Individual tubing loops are connected to the manifolds through connection adapters. Supply Manifold Header Without Valves are used in combination with Return manifolds that contain valves for individual loop flow and temperature control.
Return Manifolds - With Valves incorporate build-in balancing valves to allow flow adjustment and balance for individual heating loops.

to specifications for SparcoZone multiple zone valve

to parts for SparcoZone multiple zone valve

Model Description Price & Quantity
SZ3S Snow melt branch connection 3/4" sweat, 3 zone - Without operators $298.47
SZ3T Snow melt branch connection 3/4" NPT, 3 zone - Without operators $297.36
SZ4S Snow melt branch connection 3/4" sweat, 4 zone - Without operators $298.18
SZ4T Snow melt branch connection 3/4" NPT, 4 zone - Without operators $299.07

- Or -Click to view items in your shopping cart


Multiple Zone Valve
Multiple Zone Valve Supply Manifold - without Valves
Zone Valves
  • Three or four zone multiple zone valves.
  • Large flow rate, up to 10 gpm per zone.
  • Low current draw, 0.25 amps, means low operating costs.
  • Maximum shut off diff. pressure 40 ft., 17.5 psi.
  • Maximum temp/pressure: 220 ºF/125psi.
  • Bronze casting.
  • Approximate dimensions: 3 3/4" high x 11 3/16" long x 2" deep.
Manifolds are used to control individual heating loop flow and temperature controls through both Supply and Return configurations. Individual tubing loops are connected to the manifolds through connection adapters. Supply Manifold Header Without Valves are used in combination with Return manifolds that contain valves for individual loop flow and temperature control.
Return Manifolds - With Valves incorporate build-in balancing valves to allow flow adjustment and balance for individual heating loops.

to specifications for SparcoZone multiple zone valve

to parts for SparcoZone multiple zone valve

Model Description Price & Quantity
SH4S 3/4" sweat 4 zone header only $105.38
SH4T 3/4" NPT 4 zone header only $106.95

- Or -Click to view items in your shopping cart



PlumbingStore.com - FAQS


Sparco zone valves"My valve does not open when the thermostat closes?"
Sparco zone valvesCheck voltage between yellow and orange wires; voltage should be between 22 and 26 volts.

Sparco zone valves"Why does my valve chatter when closing?"
Sparco zone valvesIt may have been installed backwards. Check for proper flow direction.


read many interesting quotes, such as:
"Like fire, money itself is neither good nor evil. It is neutral, its character determined by the eye of the perceiver, the hand of the user." - Jerrold Mundis

We hope that we have helped you with zone valves at PlumbingStore.com



Search THE Internet Plumbing Store for more:

Alphabetical Product Listing:  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


go to contact us | go to our welcome page | go to faq's
go to privacy guarantee | go to return policy | go to view cart
The most convenient mail-order Plumbing Store.