★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
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Reviewed in the United States on April 16, 2026
Worcester Greenstar 9/12/15/18/21/24/25/30 i Main Heat Exchanger 8716117040
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Worcester Greenstar 9/12/15/18/21/24/25/30 i Main Heat Exchanger 8716117040This Greenstar Main Heat Exchanger from Worcester is designed for select models of 9 12 15 18 21 24 25 30i boilers. It is constructed from the highest grade material and is designed for long lasting, impressive performance. It is rigorously tested to protect against corrosion and to ensure its efficiency and safety.
Quick Dispatch:
Your Worcester Greenstar 9/12/15/18/21/24/25/30 i Main Heat Exchanger 8716117040 orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Based on 2029 reviews
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Product Reviews
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
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Reviewed in the United States on April 11, 2026
