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24 Volt 3/4 inch. Sweat Connection Low Voltage Motorized Zone Valves with 3.5 Cv capacity(Honeywell

Price: $168.78
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SKU: ZON843E11
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3/4" Zone Control Valve (Honeywell)

3/4" SWT 24V N/C 3.5CV W/ESWTCH


ON-OFF and two-way low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water and some models for steam.


• Manual opener (on all models, except straight-through, normally open valves) for valve operation on power failure; valve returns to automatic position when power is restored.

• All models may be installed without disassembling the valve.

• Compact construction for easy installation.

• Complete powerhead may be removed or replaced without breaking plumbing line connections or draining the system.

• Actuator motor may be replaced without removing the valve body or draining the system.

• Chilled water models available for cooling and heating applications

Product Specifications Back To Top

Description 24V 3/4 in. Sweat Connection Low Voltage Motorized Zone Valves

Application Hydronic Control

Connection Type Sweat

Pipe Size (inch) 3/4 in.

Pipe Size (DN) DN20

Body Pattern Two-way, Straight-through

Capacity (Cv) 3.5 Cv

Capacity (Kv) 3.0 Kv

De-energized Position Normally Closed

Maximum Close-off Pressure (psi) 20 psi

Maximum Close-off Pressure (kPa) 138 kPa

Fluid Temperature Range (F) 50 F to 200 F

Fluid Temperature Range (C) 10 C to 93 C

Electrical Connections (in.) 18 in. leads

Electrical Connections (mm) 457 mm leads

Power Consumption 7.7 VA

Nominal Timing (sec, min) 15 sec

Valve Action Spring Return

Maximum Ambient Temperature (F) 125 F

Maximum Ambient Temperature (C) 52 C

Dimensions (in.) 4 in. high x 3 1/2 in. wide x 2 3/8 in. deep

Dimensions (mm) 102 mm high x 89 mm wide x 60 mm deep

Type 2 position

End Switch SPST

End Switch Rating 50 VA pilot duty @ 24 V;4.4 A running with 26.4 A inrush @ 120 V

Static Pressure (psi) 125 psi

Static Pressure (kPa) 862 kPa

Materials (Body) Brass

Materials (Seat) Brass

Materials (Stem) Stainless Steel

Materials (Ball Plug) Buna-N (NBR) Rubber Ball

Materials (Packing 0-rings) EPDM rubber

Voltage 24V

Frequency 60 Hz;50 Hz

Approvals, Underwriters Laboratories Inc UL Component Listed: File MH11826 Vol. 1

Manual Opener Yes

Comments Use this valve in closed loop hydronic systems that do not contain dissolved oxygen in system water, such as fresh water from frequent source of makeup water.;Valve designed for cycling (not constantly powered on) applications.

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