Specifications for Sparco zone valves from the PlumbingWorld

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Sparco Powertrack™ Motorized Zone Valve Specifications

Zone Valves

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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	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.

click here to purchase parts for Sparco PowerTrack zone valves

SparcoZone™ Multiple Zone Valve Specifications

Zone Valves

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

1. Sparcozone header

2. Drain valve for purging

3. Sparcozone multiple zone valve

4. Circulator

5. Boiler Drain

6. Sparco backflow preventor

7. Sparco dual control

8. Sparco diaphragm expansion tank

9. Sparco power vent

click here to purchase SparcoZone multiple zone valves

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

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"Why does my valve chatter when closing?"

It may have been installed backwards. Check for proper flow direction.

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

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Typical Installation
	1. Sparcozone header
	2. Drain valve for purging
	3. Sparcozone multiple zone valve
	4. Circulator
	5. Boiler Drain
	6. Sparco backflow preventor
	7. Sparco dual control
	8. Sparco diaphragm expansion tank
	9. Sparco power vent