Description
Potterton 248225 Tap Isolation Return – Fits Gold, Performa, Promax, Titanium, Heatmax & Apollo Boiler
The Potterton 248225 Tap Isolation Return is a boiler spare part designed to control water flow in heating systems. It ensures safe isolation during maintenance and replacement work — a must-have for professional installers and DIY repairs.
This replacement isolation tap fits a wide range of Potterton boilers across several popular series including Apollo, Gold, Performa, Promax, Heatmax and Titanium models.
Below is a complete list of compatible boilers and their GC numbers, helping you confirm the correct fit before ordering.
Fits Appliance(s) & GC Nos
Apollo Series
Apollo 25 – 47-393-38
Apollo 30 – 47-393-37
Gold Combi Series
Gold 24 HE A Combi (After Serial No BMX0815 & GNH0815) – 47-393-18
Gold 24 HE A Combi (Before Serial No BMX0815 & GNH0815) – 47-393-18 BEFORE
Gold 24 HE Combi – 47-590-05
Gold 28 HE Combi – 47-590-06
Gold 28 HEA Combi (After Serial No BNF0932 & GNK0932) – 47-393-19
Gold 28 HEA Combi (Before Serial No BNF0932 & GNK0932) – 47-393-19 BEFORE
Gold 33 HE A Combi (After Serial No GNL1112) – 47-393-20
Gold 33 HE A Combi (Before Serial No GNL1112) – 47-393-20 BEFORE
Gold 33 HE Combi – 47-590-19
Gold Combi ErP
24 Combi ErP – 47-393-43 (AC / BC / CC / DC / EC)
28 Combi ErP – 47-393-44 (AC / BC / CC / DC / EC)
28 Combi ErP LPG – 47-393-45 (AC / BC / CC / DC / EC)
33 Combi ErP – 47-393-46 (AC / BC / CC / DC / EC)
Gold System Series
Gold System 18 HE A – 41-592-15
Gold System 24 HE A – 41-592-16
Gold System 28 HE A (After Serial No HSA1112) – 41-592-17
Gold System 28 HE A (Before Serial No HSA1112) – 41-592-17 BEFORE
Gold System 18 ErP – 41-592-39 (AC / BC / CC / DC)
Gold System 24 ErP – 41-592-40 (AC / BC / CC / DC)
Gold System 28 ErP – 41-592-41 (AC / BC / CC / DC)
Heatmax Series
Heatmax Combi 24 HE – 47-393-27
Heatmax Combi 28 HE – 47-393-28
Heatmax Combi 33 HE – 47-393-29 (After/Before Serial No FMN1112)
Performa Series
Performa 12 HE System – 41-591-24
Performa 18 HE System – 41-591-25
Performa 24 – 47-393-06
Performa 24 Eco HE – 47-393-11
Performa 24 Eco HE 2 Composite Block – 47-393-25
Performa 24 HE System – 41-591-26
Performa 24i HE – 47-393-12
Performa 28 – 47-393-07
Performa 28 HE System – 41-591-27
Performa 28i – 47-393-08
Performa 30 HE – 47-393-13
Performa System 12e – 41-590-88
Performa System 18e – 41-590-89
Performa System 24e – 41-590-90
Performa System 28e – 41-590-91
Promax Combi ErP
Promax Combi 24 ERP – 47-393-47 (AC / BC / CC / DC / EC)
Promax Combi 28 ERP – 47-393-48 (AC / BC / CC / DC / EC)
Promax Combi 33 ERP – 47-393-49 (AC / BC / CC / DC / EC)
Promax Combi HE Plus
Promax Combi 24 HE Plus – 47-393-17
Promax Combi 24 HE Plus A – 47-393-21
Promax Combi 24 HE Plus LPG – 47-393-24
Promax Combi 28 HE Plus – 47-590-04
Promax Combi 28 HE Plus A – 47-393-22
Promax Combi 33 HE Plus – 47-590-03
Promax Combi 33 HE Plus A – 47-393-23
Promax System HE Plus
Promax 12 HE Plus System / A – 41-591-90 / 41-591-99
Promax 15 HE Plus System / A – 41-591-91 / 41-592-01
Promax 18 HE Plus System / A – 41-591-92 / 41-592-02
Promax 24 HE Plus A System NG/LPG – 41-592-03 / 41-592-11
Promax 24 HE Plus System – 41-601-21
Promax 32 HE Plus System / A – 41-591-93 / 41-592-04
Promax System ErP (12–32kW) – 41-592-42 to 41-592-46 (AC / BC / CC / DC)
Titanium Series
Titanium 24 – 47-393-39
Titanium 28 – 47-393-40
Titanium 33 – 47-393-41
Titanium 40 – 47-393-42
Titanium Combi ErP – 47-393-50 to 47-393-53 (AC / BC / CC / DC / EC)
Prices: Must be remembered all prices are inclusive of VAT.
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above
BAXI BOILER SPARES
Meanwhile, if you are looking for any Baxi-related products please click the link: Baxi spares
Also, for Diverter valves for Baxi please click the link: Baxi Diverter Valves
You can also check our whole range of PCBs for Baxi please click the link: Baxi PCBs
Here is also the list of Pumps for Baxi please click the link: Baxi Pumps
In case you are looking for Fans for Baxi please click the link: Baxi Fans
At Heating and catering parts,
We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy
We appreciate you buying from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.
Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
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