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24V 3/4 in. Sweat Connection Low Voltage Motorized Zone Valves with 3.5 Cv capacity (Honeywell)

Price: $177.63
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SKU: ZONV843E512
(See Product Details Below for Manufacturers Part Numbers)
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24V 3/4 in. Sweat Connection Low Voltage Motorized Zone Valves with 3.5 Cv capacity (Honeywell)


Two-way on-off low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water.


• All models may be installed without disassembling the valve.

• Compact construction for easy installation.

• 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.

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

• "Quick Fit" pushbutton powerhead makes it easy to remove for service.

• Series 5000 replacement powerhead is backward compatible with series 1000 zone valves.

• Innovative motor technology offers silent operation, water hammer resist and longer life.

Product Specifications

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 Kv

De-energized Position Normally Closed

Maximum Close-off Pressure (psi) 20 psi

Maximum Close-off Pressure (kPa) 138 kPa

Fluid Temperature Range (F) 200 F Max.

Fluid Temperature Range (C) 93 C Max.

Electrical Connections (in.) 18 in. leads

Electrical Connections (mm) 457 mm leads

Power Consumption 7.2 VA

Valve Action Spring return to close

Maximum Ambient Temperature (F) 125 F

Maximum Ambient Temperature (C) 52 C

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

Dimensions (mm) 111 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

End Switch Rating 4.4 A running with 26.4 A inrush @ 120 V

Static Pressure (psi) 300 psi

Static Pressure (kPa) 2068 kPa

Materials (Body) Brass

Materials (Seat) Brass

Materials (Stem) Stainless Steel

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

Materials (Packing O-rings) EPDM rubber

Voltage 24 Vac

Frequency 60 Hz

Approvals, Underwriters Laboratories Inc CSA C/US

Approvals, Canadian Standards Association CSA C/US

Manual Opener Yes

Comments Valve designed for cycling (not constantly powered on) applications.

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.

Replaces Part Numbers:


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