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Product DetailsThe V4073A Valve has been designed to control the flow of water in domestic central heating systems, where both radiator and hot water cylinder circuits are pumped, typically suited for small to medium sized installations. This valve should be used in conjunction with a room thermostat and cylinder thermostat to provide full temperature control of a conventional, fully pumped central heating installation. When used in this way, the control system is known as Sundial Y Plan and the components can be connected together using the Sundial Plan Wiring Centre which has dedicated terminations and there is no need for a wiring diagram. An alternative method of wiring is to use the Honeywell Home 10-way Junction Box (42002116-002) together with the Honeywell Home Sundial Plans Wiring Booklet. Additionally, the V4073A Mid-position Diverter Valve must be positioned where it cannot block any vent or cold feed when either port A or B are closed.
- 1 year guarantee
- Quiet operation, minimal power consumption
- Powerhead replaceable without draining down
- Potential free end switch for electrical control of pump and/or boiler
- Potential free end switch for electrical control of pump and/or boiler
- 1m flying lead, head resistant cable
- Valve Opens to Port B in 8 Seconds (under Spring Return)
- Provides electrical output to boiler and/or pump options 22 mm/28 mm or 3/4"
- 1" connections
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Tech Specs
Depth 60 mm Diameter 22 mm Height 133 mm Width 112 mm Size 22 mm Maximum Temperature 50 deg Maximum Pressure 8.60 bar Number of Ports 3 Material Brass Type Mid-Position Valve Manufacturer Model No V4073A1039/U Brand Name Honeywell Home Range Description Motorised Valves Availability Next Day Delivery EAN 5023220400356