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Potterton Promax Combi Boiler Flow Sensor Switch – 5114767 Fits 24 28 33 HE Plus & HE Plus A Models
About this item
Heating engineers and DIY-ers, if you've got a Potterton Promax Combi boiler acting up, this might be your fix.
This is a brand new, genuine Potterton flow sensor switch, part number 5114767.
It's specifically designed to fit the Promax Combi 24, 28, and 33 HE Plus and HE Plus A models.
Basically, if your boiler's not responding correctly to hot water demand, this little sensor (made in Italy) could be the culprit.
It's a straight swap to get your heating back online.
Made by Potterton (model BAXI is listed as the model), so you're getting an OEM-quality part.
Check your model and get your boiler flowing right again.
USD$ 17.25 
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