you will need these if you are renewing or are taking out the dhw heat exchanger . the old ones will be hard and flattened off. clean the recesses that hold them before you put the new ones in. you can use a small mirror to make sure they are seated correctly.
Verified purchase: Yes | Condition: New
Bought this diaphragm to fit in my Gloworm Jaguar 28 boiler.Fitted perfectly and easy to fit. Excellent item all round.Saved a fortune on boiler engineer fees.
Verified purchase: Yes | Condition: Pre-owned
Very fast and value fir money
Verified purchase: Yes | Condition: Pre-owned
God price and came very quick
Verified purchase: Yes | Condition: New
O rings too big, after stripping down had to make do with old ones
Verified purchase: Yes | Condition: New
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