F75 kit is with a sensor but it is near heat exchanger not near the pump.
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Vaillant Ecotech F.75
- Thread starter Ackoman
- Start date
Well, he came back this evening (unannounced) with another new sensor and replaced the other one (the one in the right of the picture). Upon switch on, the F.75 was replaced with a F.22 (low pressure) and the digital readout was now displaying sensible numbers. After recharging the system, it came on fine and has been working fine for a couple of hours now. He thinks the PRV is leaking slightly so is coming back tomorrow to fix that.
Hopefully that is the end of it.
Hopefully that is the end of it.
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