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The Neomitis 2 Port Valve (MTV222a) is designed for homeowners and building managers needing precise control over heating and domestic hot water systems. Its key benefit is reliable, energy-efficient flow management with integrated pump and boiler control. A potential caveat is that while installation is straightforward, understanding the wiring configuration is crucial for proper integration. This normally closed motorised valve features a durable metal housing, industry-standard wiring, and minimal power consumption, ensuring efficient and quiet operation suitable for various residential and commercial applications.
| Model Part Number | MTV222a |
|---|---|
| Brand | Neomitis |
A normally closed valve remains shut when no electrical power is applied. It opens only when the system calls for heat or hot water and receives power.
Basic installation involving pipework can be done by a competent DIYer. However, electrical wiring should ideally be performed by a qualified heating engineer or electrician to ensure safety and correct system function.
The end switches detect the valve's position (open or closed). They are used to electrically signal the central heating pump and/or boiler to turn on only when the valve is open and heat is required.
This 2-port valve is suitable for systems requiring flow control in heating and domestic hot water circuits. It's important to ensure your system requires a normally closed 2-port configuration and that the 22mm fitting size is appropriate.
With the system live and calling for heat, you can use a multimeter to check for voltage at the valve's electrical terminals. Always exercise caution when working with live electrical circuits.
With proper installation and system maintenance, Neomitis valves are designed for a long service life, typically many years. Regular servicing of the heating system is recommended.
Check electrical connections and power supply. Verify the thermostat or control system is calling for heat/hot water. Ensure there are no blockages in the pipework.
Turn off the water supply and re-tighten the compression nuts. Ensure pipe surfaces are clean and undamaged. If leaks persist, consider replacing the olive or fitting.
Verify the end switch wiring is correctly connected to the pump and boiler. Ensure the valve is in the open position, signaling the demand for heat.
While designed for quiet operation, minor noise can occur. If noise is excessive, check for water hammer or ensure the valve is securely mounted.
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