Resideo by Honeywell V8043F1051 24V Zone Valve 1 Inch Sweat Normally Closed with End Switch

The Resideo V8043F1051 is a motorized low voltage zone valve consisting of an actuator motor and valve assembly designed for controlling the flow of hot water in hydronic heating systems. This two-position, normally closed zone valve features 1-inch sweat connections with a flow coefficient (Cv) of 3.5. The unit operates on 24V power and includes an integral line voltage end switch for operation of auxiliary equipment, with connections via a convenient terminal block.

Key Features:

• Manual opener allows for valve operation during power failures, automatically returning to normal operation when power is restored
• Compact construction enables easy installation without disassembling the valve
• Complete powerhead may be removed or replaced without breaking plumbing connections or draining the system
• Actuator motor can be replaced without removing the valve body or draining the system
• Provides two-position, straight-through control of supply water at up to 300 PSI operating pressure
• Maximum temperature rating of 200°F with brass construction for durability

This zone valve is designed for use in closed loop hydronic systems that do not contain dissolved oxygen in system water. The unit measures 4 inches high x 4-7/8 inches wide x 2-3/8 inches deep, making it ideal for residential and light commercial hydronic heating applications where space is at a premium.