Description
Worcester Bosch 87161055450 Expansion Vessel with PRV 87161064310 – New
The Worcester Bosch 87161055450 Expansion Vessel is a compatible new replacement for selected Worcester Greenstar boilers. It is supplied with pressure relief valve 87161064310, providing the main parts needed for a suitable replacement.
An expansion vessel helps manage pressure changes as the water inside the heating system heats and cools. Therefore, a damaged or faulty vessel can cause pressure loss, pressure increases or water discharge from the PRV.
Replacing the faulty component can help restore stable boiler pressure. Moreover, this compatible replacement is suitable for a wide range of Greenstar i System, Junior and Si boilers.
Boiler Compatibility
Worcester Bosch Greenstar i System Series
- Greenstar 12 i System – GC No. 41-311-67
Greenstar 12 i System LPG – GC No. 41-311-69
Greenstar 15 i System – GC No. 41-311-84
Greenstar 15 i System LPG – GC No. 41-311-85
Greenstar 18 i System – GC No. 41-311-86
Greenstar 18 i System LPG – GC No. 41-311-87
Greenstar 24 i System – GC No. 41-311-68
Greenstar 24 i System LPG – GC No. 41-311-70
Worcester Bosch Greenstar i Junior Series
- Greenstar 24 i Junior HE – GC No. 47-311-86
Greenstar 24 i Junior HE LPG – GC No. 47-311-90
Greenstar 24 i Junior HE Mk5 2013 NG/LPG – GC No. 47-406-54
Greenstar 28 i Junior HE – GC No. 47-311-87
Greenstar 28 i Junior HE LPG – GC No. 47-311-91
Greenstar 28 i Junior HE Mk5 2013 NG/LPG – GC No. 47-406-56
Worcester Bosch Greenstar Si Series
- Greenstar 25 Si – GC No. 47-311-84
Greenstar 25 Si LPG – GC No. 47-311-88
Greenstar 30 Si – GC No. 47-311-85
Greenstar 30 Si LPG – GC No. 47-311-89
Worcester Bosch i Junior RSF Series
- 24i Junior RSF – GC No. 47-311-69
24i Junior RSF LPG – GC No. 47-311-71
28i Junior RSF – GC No. 47-311-70
28i Junior RSF LPG – GC No. 47-311-72
Why Buy This Expansion Vessel?
This expansion vessel is supplied as a compatible new replacement for Worcester part number 87161055450. In addition, it includes PRV 87161064310, making it a practical replacement option for compatible boilers.
Furthermore, the product includes a 12-month warranty for added peace of mind. The detailed compatibility list also makes it easier to confirm the correct application before ordering.
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Email : hi@heatingandcateringparts.com
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
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Warranty
This Compatible Worcester replacement part is supplied with a 12 Month Warranty for complete peace of mind.
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!









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