Description
The Honeywell V4043E1003 is a 120VAC hydronic zone valve engineered for dependable flow control in residential and light commercial heating and cooling systems. Its normally closed, spring return-to-close design ensures fail-safe operation, automatically shutting off flow when de-energized to protect your system and maintain precise zone regulation.
Key Features
- 1/2″ sweat connection for straightforward copper pipe installation
- Normally closed operation with spring return-to-close for fail-safe performance
- 3.5 Cv flow coefficient for efficient hydronic flow management
- 20 PSI maximum closeoff pressure for reliable shutoff integrity
- Manual opener allows system override without electrical power
- 18″ electrical leads for flexible wiring in tight installations
- Wide fluid temperature range of 40–200°F, suitable for hot and chilled water applications
Construction & Materials
- Durable brass body for long-lasting corrosion resistance
- Stainless steel stem for strength and dependable cycle life
- Brass seat for consistent sealing performance
- EPDM rubber packing for reliable, leak-free operation
Specifications
- Voltage: 120VAC
- Connection: 1/2″ Sweat
- Operation: Normally Closed, Spring Return to Close
- Cv Rating: 3.5
- Maximum Closeoff Pressure: 20 PSI
- Fluid Temperature Range: 40–200°F
- Electrical Leads: 18″
- Body Material: Brass
- Stem Material: Stainless Steel
- Seat Material: Brass
- Packing Material: EPDM Rubber
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