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Hi, So I've checked power to the valve, nothing. I've switch the valve with another working valve (from UFH) and still nothing. I've also switched the wired controls around - UFH with CH and still no trigger voltage to the valve. Anything else I'm missing? Return voltage/relay from the boiler?

Hi thanks, Sorry, I misspoke - S-Plan(plus?), not Y. I have three two port valves; one for hot water; one for heating and one for underfloor. I checked the brown and blue coming from the controls (up to the 2 port valve) with a multimeter and wasn't getting anything when switching the heating...

So, I have a set of wired for ch and hw controls and one for UFH. When I switch the two and click the "heating" switch it still doesn't fire the ch valve. The RF also doesn't trigger the ch "on". So, I'm at a loss.. which is why I asked if there's a 240v return to the boiler from the...

Hi, I've had some free time to mess about with the multimeter. When checking the old synchron motor I changed, I'm getting resistance on it; this tells me it was actually fine. I checked the microswitch, and when I manually press the switch in with power, it completes the circuit and fires...

test on orange and blue when switching on? Sorry, I'm not familiar with these components.

Hi again.. I've not changed the microswitch yet but I'm wondering if it really might be that.. Again, the wired control pictured didn't trigger the switch, but then after some fiddling it did. However, when I used the RF to trigger on/off, I could hear the RF receiver click but it wouldn't...

Hi thanks! Can the microswitch be replaced without replacing the entire head? Weirdly, I checked the it this morning by turning it on on the wired on/of control and it worked.

Hi, I have a Glowworm Flexicom 35hx on a Y plan with separate zone for UFH. 3 motorised valves for water, CH and UFH. Basic wired on/off controls for water and CH (and RF thermostat) and another wired on/off for UFH (with wired room thermostat). For the last few months, the CH ONLY has...