Description
Ideal Expansion Vessel Kit 177540 + PRV | Combi & System Boilers
The Ideal Expansion Vessel Kit 177540 is a complete replacement solution designed to restore correct system pressure control in Ideal combi and system boilers manufactured from ABS & ABY serial numbers onwards.
A failed or waterlogged expansion vessel commonly causes boiler pressure dropping, PRV discharging water, frequent topping up, or boiler lockouts. Replacing the vessel and PRV together ensures long-term reliability and prevents repeat failures.
This kit includes:
Expansion vessel
Pressure Relief Valve – PRV 176610
Ideal Mini & Independent Range
I Mini 24 – GC 47-348-77
I Mini 30 – GC 47-348-78
I Mini C24 – GC 47-349-30
I Mini C30 – GC 47-349-31
Independent C24 – GC 47-348-68
Independent C30 – GC 47-348-69
Independent C35 – GC 47-348-70
Independent Combi 24 – GC 47-349-24
Independent Combi 30 – GC 47-349-25
Independent Combi 35 – GC 47-349-26
Ideal Combi, Logic & Code Series
Logic+ Combi 24 – GC 47-348-65
Logic+ Combi 30 – GC 47-348-66
Logic+ Combi 35 – GC 47-348-67
Logic+ Combi C24 – GC 47-349-15
Logic+ Combi C30 – GC 47-349-16
Logic+ Combi C35 – GC 47-349-17
Logic+ Combi2 C24 – GC 47-349-99
Logic+ Combi2 C30 – GC 47-387-01
Logic+ Combi2 C35 – GC 47-387-02
Logic Code Combi 26 – GC 47-348-74
Logic Code Combi 33 – GC 47-348-75
Logic Code Combi 38 – GC 47-348-76
Ideal System & MAX Boilers
Logic System 15 – GC 41-750-24
Logic System 18 – GC 41-750-25
Logic System 24 – GC 41-750-26
Logic System 30 – GC 41-750-27
Logic System S15 – GC 41-750-65
Logic System S18 – GC 41-750-66
Logic System S24 – GC 41-750-67
Logic System S30 – GC 41-750-68
MAX System S 15 – GC 41-796-13
MAX System S 18 – GC 41-796-14
MAX System S 24 – GC 41-796-15
MAX System S 30 – GC 41-796-16
Keston & Ultra Models
Keston C30 Combi – GC 47-930-03
Keston C35 Combi – GC 47-930-08
Keston System 30 – GC 41-930-39
Keston System S 30 – GC 41-930-45
Ultra Combi 30 – GC 47-002-01
Ultra Combi 35 – GC 47-002-02
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
For any Ideal related products please clink below link :
Prices: Please note all prices are inclusive of VAT.
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.
In a word thank you for choosing us!




