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ZONE VALVES

HYDRONIC

CONTROLS

ZSW34NCA

Indicates Canadian Model Number: call 1-800-305-6953 to order

www.white-rodgers.com

105

HYDRONIC /

APPLIANCE

DIRECT-CONNECT ZONE VALVES – FLARE, SWEAT

AND NPT MODELS

FEATURES

• Lever for manual open (normally closed valves only).

• Auxiliary switch (optional).

• Return spring design – stainless steel for long life.

• Plastic molded cover provides extra protection from moisture.

• Swing-type ball valve made from EPDM (Ethylene Propylene Polymer).

– Rotating design results in less wear on valve.

– Raised ball design ensures positive valve closure and even surface wear.

• Valve body and crank arm assemblies each made from one-piece cast brass

construction.

• Gears made from heavy 14 gauge brass for durable long life.

• Valve assembly design includes a recessed "O" ring for positive sealing.

• Not for steam systems.

SPECIFICATIONS

Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 VAC

Frequency . . . . . . . . . . . . 50 / 60 Hz

Connection . . . . . . . . . . . . 18

leads

Motor . . . . . . . . . . . . . . Electric synchronous, spring return

Positioning . . . . . . . . . . . . 2-way, straight through

Canada

Model Number

Pipe Size

Pipe

Connection

Flow Capacity

Cv

Auxiliary

Switch

De-Energized

Position

ΔP

Max. System

Pressure

Max. Water

Temp.

Z Series

ZINV12NCA

1⁄2

Inv. Flare

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZINV12NOA

1⁄2

Inv. Flare

3.5

Yes

NO

20 PSI

142 PSI

110°C

ZFL38NO

3⁄8

Flare

3.5

No

NO

20 PSI

142 PSI

110°C

ZFL38NO-34AD*

3⁄8

Flare

3.5

No

NO

20 PSI

142 PSI

110°C

ZFL38NC

3⁄8

Flare

3.5

No

NC

20 PSI

142 PSI

110°C

ZFL38NC-34AD*

3⁄8

Flare

3.5

No

NC

20 PSI

142 PSI

110°C

ZFL38NCA

3⁄8

Flare

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZSW12NCA

1⁄2

Sweat

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZSW34NCA

3⁄4

Sweat

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZSW34NO

3⁄4

Sweat

3.5

No

NO

20 PSI

142 PSI

110°C

ZSW1NCA

1

Sweat

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZSW1NCA7C

1

Sweat

7.0

Yes

NC

20 PSI

142 PSI

110°C

ZNPT12NCA

1⁄2

NPT

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZNPT12NO

1⁄2

NPT

3.5

No

NO

20 PSI

142 PSI

110°C

ZNPT34NCA

3⁄4

NPT

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZNPT1NCA

1

NPT

3.5

Yes

NC

20 PSI

142 PSI

110°C

ZNPT1NCA7C

1

NPT

3.5

Yes

NC

20 PSI

142 PSI

110°C

Z Series EZ-top

13FL38NCA

3⁄8

Flare

3.5

Yes

NC

20 PSI

142 PSI

110°C

13ZINV12NCA

1⁄2

Inv. Flare

3.5

Yes

NC

20 PSI

142 PSI

110°C

*With (2)

3

/

4

sweat adaptors