Baxi 5111139 Instant Ch Diaphragm Repair Kit


Condition: New

91 in stock

Brand: Baxi
MPN: 075421 075484 172509 5111139 BI1011502 BI1011103 BI1141500 BI1141504 500601 174020 174499 BI1251501 075470
GC Number: 796468


Baxi 5111139 Instant CH Diaphragm Repair Kit

This part fits following boilers.

Baxi combi Instant 80e
Baxi combi Instant 105e
Baxi combi Instant 80he
Baxi combi Instant 105he

Below information is for refurbished products with sales options, please read out carefully. If the product does not have a sale option under its’ title, please disregard the following information:

DIRECT SALE: This is when you buy the part outright without needing to send your part back to us.

REFURBISHMENT (EXCHANGE) SERVICE: When you select this service, you agree to send your faulty item to our main address to be reconditioned and sent back to you. Our price includes delivery to you and you would need to pay the postage to send the item to us. In most cases we repair and send the item back the same day of receiving it, please select next day delivery option during checkout to receive the item back the next day.

Please send your faulty part to:

National Boiler Spares
Tyne View Terrace
Newcastle Upon Tyne
NE28 6SG

ADVANCE REPLACEMENT SERVICE: This service is for customers who would like to receive replacement part without sending the faulty one back to us first. We will send you a replacement part the same working day and charge you a £30.00 deposit for your faulty part. Once we have received your faulty part we will refund your £30.00 deposit. Please choose this service if your faulty part is in a repairable condition. If the part is burnt, broken or cracked and not repairable we may refuse to issue a refund for your deposit.  Please keep in mind that if this option or Direct Sale option is not available, we may not have a part in stock to send out first. If unsure please call +44 191 263 3708 or email at

Additional information

Weight10 g





GC Number



This part fits following boilers


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