Failures of SUNVIC motorised valves including those with actuators SZM. A detailed explanation of failure of Sunvic motorised valves utilising valve. This suggests that the motorised valve is not working?
Sunvic SZ2301) – as a test, manually . Sunvic motorised valve problem – boards. Motorised valve faults can be due to a seized valve or a faulty actuator. This guide explains how to replace the actuator as well as how to replace the complete .
I have just restored my circa 20SDM19to working order by replacing the 330nF capacitors which supply the rectifier for the internal relays. Altech motorised valvepostsOct 2009Radiators on when only water should be being heatedpostsJun 2005More from community. Ok, this is a Sunvic, there are several types – ones like above, and another type . The motorised valve is probably the hardest working component in wet central heating systems. It is important to fit a name you can trust. Sunvic valve is only a wire, and colours are yellow, white, and blue.
You can throw all the philosophy you like at the problem, but at the end . Sep 20- This article is about motorised valves used in central heating systems. Read More