Zone Valve Specifications
Sparco Powertrack™ Motorized Zone Valve Specifications
| |
Dimensions (in.) |
Product
Number |
Size
(in.) |
Aux.
Switch |
A |
B |
C |
D |
E |
F |
Wt (lbs.) |
| MZV525 |
3/4 |
no |
3.3 |
0.8 |
4.7 |
0.7 |
1.6 |
5.5 |
1.7 |
| MZV525E |
3/4 |
yes |
3.3 |
0.8 |
4.7 |
0.7 |
1.6 |
5.5 |
1.7 |
| MZV526 |
1 |
no |
3.8 |
1.0 |
4.7 |
0.8 |
1.6 |
5.5 |
2.0 |
| MZV526E |
1 |
yes |
3.8 |
1.0 |
4.7 |
0.8 |
1.6 |
5.5 |
2.0 |
| MZV527 |
1 1/4 |
no |
8.3 |
1.0 |
4.7 |
0.8 |
1.6 |
5.5 |
2.2 |
| MZV527E |
1 1/4 |
yes |
8.3 |
1.0 |
4.7 |
0.8 |
1.6 |
5.5 |
2.2 |
| MZV 520RP |
- |
yes |
Operator for MZV 525E/526E/527E |
| MZV 521RP |
- |
no |
Operator for MZV 525/526/527 |
Maximum water pressure: 125 psi, 862 kPa. Maximum shutoff pressure: 3/4"- 20psi; 1" - 17 psi.
Maximum temperature: 240ºF (115ºC). Motor: 24 VAC, 60 Hz, 0.25 ampere. |
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SparcoZone™ Multiple Zone Valve Specifications
Product
Number |
Description 1 1/4" MNPT/sweat |
| SZ3S1 |
3-zones • 3/4" sweat |
Without control |
| SZ4S1 |
4 zones • 3/4" sweat |
| SZ3T1 |
3 zones • 3/4" threaded |
| SZ4T1 |
4 zones • 3/4" threaded |
| S2Z3S3 |
3 zones • 3/4" sweat |
Includes control
with priority |
| S2Z4S3 |
4 zones • 3/4" sweat |
| S2Z3T3 |
3 zones • 3/4" threaded |
| SZtj24T3 |
4 zones • 3/4" threaded |
| SH4S |
4 zones, header only • 3/4" sweat |
| SH4T |
4 zones, header only • 3/4" threaded |
Typical Installation
- Sparcozone header
- Drain valve for purging
- Sparcozone multiple zone valve
- Circulator
- Boiler Drain
- Sparco backflow preventer
- Sparco dual control
- Sparco diaphragm expansion tank
- Sparco power vent
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Frequently Asked Questions
Q. "My valve does not open when the thermostat closes?"
A.Check voltage between yellow and orange wires; voltage should be between 22 and 26 volts.
Q. "Why does my valve chatter when closing?"
A.It may have been installed backwards. Check for proper flow direction.
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