Description
Gas Valve Sit For Worcester Greenstar Boiler
The Worcester Greenstar Gas Valve Sit 848 87161165150 controls the gas supply inside your boiler for safe and efficient combustion. This pre-owned gas valve regulates fuel flow accurately to maintain stable burner performance and consistent heating output. It provides a cost-effective replacement solution for faulty or leaking gas valves in compatible Worcester Greenstar models.
Compatible Boilers
Worcester Greenstar CDI Conventional and System
Greenstar 30 CDI Conventional (GC No. 41-311-71)
Greenstar 30 CDI System (GC No. 41-311-93)
Greenstar 40 CDI Conventional (GC No. 41-311-72)
Worcester Greenstar CDI Combi and HE
Greenstar Combi 25 CDI (GC No. 47-311-92)
Greenstar Combi 27 CDI HE (GC No. 47-406-12)
Greenstar Combi 27 CDI HE LPG (GC No. 47-406-13)
Greenstar Combi 30 CDI (GC No. 47-311-93)
Greenstar Combi 30 CDI HE (GC No. 47-406-14)
Greenstar Combi 30 CDI HE LPG (GC No. 47-406-15)
Greenstar Combi 35 CDI (GC No. 47-311-94)
Greenstar Combi 37 CDI HE (GC No. 47-406-08)
Greenstar Combi 37 CDI HE LPG (GC No. 47-406-09)
Greenstar Combi 40 CDI (GC No. 47-311-95)
Greenstar Combi 42 CDI HE Classic (GC No. 47-406-10)
Greenstar Combi 42 CDI HE Classic LPG (GC No. 47-406-11)
Worcester Greenstar CDI Classic and ErP
Greenstar 29 CDI Classic (GC No. 47-406-34 / 7738100216)
Greenstar 29 CDI Classic LPG (GC No. 47-406-35)
Greenstar 34 CDI Classic (GC No. 47-406-36)
Greenstar 34 CDI Classic LPG (GC No. 47-406-37)
Greenstar 38 CDI Classic (GC No. 47-406-38)
Greenstar 38 CDI Classic LPG (GC No. 47-406-39)
Greenstar 29 CDI Classic ERP (GC No. 47-406-65 / 7738100248)
Greenstar 29 CDI Classic ERP LPG (GC No. 47-406-66)
Greenstar 30 CDI Classic Regular ErP (GC No. 41-406-33 / 7738100245)
Greenstar 30 CDI Classic Regular ErP LPG (GC No. 41-406-34)
Greenstar 30 CDI Classic System ErP (GC No. 41-406-37 / 7738100244)
Greenstar 30 CDI Classic System ErP LPG (GC No. 41-406-38 / 7738100233)
Greenstar 34 CDI Classic ERP (GC No. 47-406-67 / 7738100250)
Greenstar 34 CDI Classic ERP LPG (GC No. 47-406-68)
Greenstar 35 CDI Classic System ErP (GC No. 41-406-39 / 7738100236)
Greenstar 35 CDI Classic System ErP LPG (GC No. 41-406-40 / 7738100237)
Greenstar 38 CDI Classic ERP (GC No. 47-406-69 / 7738100252)
Greenstar 38 CDI Classic ERP LPG (GC No. 47-406-70)
Greenstar 40 CDI Classic Regular ErP (GC No. 41-406-35 / 7738100232)
Greenstar 40 CDI Classic Regular ErP LPG (GC No. 41-406-36)
Greenstar 42 CDI Classic ERP (GC No. 47-406-71 / 7738100246)
Greenstar 42 CDI Classic ERP LPG (GC No. 47-406-72)
Worcester Greenstar FS Series
Greenstar FS 30 CDI (GC No. 41-406-03)
Greenstar FS 30 CDI LPG (GC No. 41-406-05)
Greenstar FS 30 CDI Regular ErP (GC No. 41-406-62 / 7731600102)
Greenstar FS 30 CDI Regular ErP LPG (GC No. 41-406-63 / 7731600103)
Greenstar FS 42 CDI (GC No. 41-406-04)
Greenstar FS 42 CDI LPG (GC No. 41-406-06)
Greenstar FS 42 CDI Regular ErP (GC No. 41-406-64 / 7731600104)
Greenstar FS 42 CDI Regular ErP LPG (GC No. 41-406-65 / 7731600105)
Worcester Greenstar Highflow Series
Greenstar Highflow 440 CDI ErP (GC No. 47-406-89 / 7731600098)
Greenstar Highflow 440 CDI ErP LPG (GC No. 47-406-90 / 7731600099)
Greenstar Highflow 550 CDI (GC No. 47-406-25)
Greenstar Highflow 550 CDI ErP (GC No. 47-406-91 / 7731600100)
Greenstar Highflow 550 CDI ErP LPG (GC No. 47-406-92 / 7731600101)
If you’re looking for a Worcester Greenstar 12 i System Gas Valve 87161113250 or any other different Worcester Gas Valve, follow the link provided.
Why Choose This Product?
This Worcester Greenstar Gas Valve Sit 848 delivers accurate gas control and supports efficient combustion. It helps resolve ignition faults, unstable flame issues, and heating inconsistencies. Each pre-owned unit is inspected and tested to ensure safe operation and dependable performance. This option provides a reliable and budget-friendly repair solution across a broad range of Greenstar boilers.
Delivery and Return
Orders placed before 1 PM are dispatched on the same working day. Choose standard delivery or next-day courier service at checkout. Returns are accepted within 30 days if the item remains unused and in its original condition. Always use a Gas Safe registered engineer for safe and compliant installation.
Frequently Asked Questions
1. What does the Worcester Greenstar Gas Valve Sit 848 87161165150 do?
The Worcester Greenstar Gas Valve Sit 848 controls the flow of gas into your boiler. It regulates fuel supply to ensure safe combustion and stable heating performance.
2. Which boilers are compatible with part number 87161165150?
This gas valve fits a wide range of Worcester Greenstar models, including CDI, CDI Classic, FS, and Highflow series boilers. Always check your boiler’s GC number against the compatibility list before ordering.
3. Is this Worcester Greenstar Gas Valve new or refurbished?
This listing is for a pre-owned unit. Each valve is inspected and tested to ensure safe operation and reliable performance.
4. What warranty comes with this gas valve?
The pre-owned Worcester Greenstar Gas Valve Sit 848 87161165150 includes a 6-month warranty for added peace of mind.
5. Can a faulty gas valve cause ignition problems?
Yes. A failing gas valve can lead to ignition faults, flame failure, inconsistent heating, or complete boiler shutdown. Replacing the valve can restore normal operation.









