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Transformer for old Gainsborough Diplomat pump shower?

The Gainsborough Diplomat has the APL 243401 transformer now not produced anymore. I need to repair mine please give advice. The APL 243501 only delivers max 5 amp. What did the APL 243401 deliver in terms of voltage (I presume 20V) and amperage?

Daniel Howard
March 2026
GainsboroughGainsborough DiplomatBathroom Appliances, Baths and Showers
Search eBay for APL 243501
They seem to be around £90

Dhfbfn
March 2026
Start at showerdoc.com and head for spares. You should be able to find your exact make and model of shower and see if spares are available. You can also post questions on the spares section as well and usually get helpful advice.

Rkjrjv
March 2026

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Gainsborough Diplomat Shower Transformer Repair