★★★★★ 5
Perfect fit
Nice replacement on my 2016 Subaru Forester
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Reviewed in the United States on April 28, 2026
VOKERA COMPACT 25A & 29A DIVERTER VALVE CARTRIDGE 20017597 WAS 20043594
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
VOKERA COMPACT 25A & 29A DIVERTER VALVE CARTRIDGE 20017597 WAS 20043594Genuine Vokera diverter valve cartridge for Compact 25A and 29A boiler models. Part number 20017597 (replaces obsolete 20043594). Direct replacement cartridge ensures proper heating circuit diversion and system reliability. Compatible with standard diverter valve housings on Vokera Compact range. Essential maintenance component for installers and heating engineers. Stock this OEM part for quick repairs and customer satisfaction.
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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.
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4.5 ★★★★★
Based on 1200 reviews
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Product Reviews
★★★★★ 5
Perfect Fit for 2018 Forester
I've purchased various filters from EP Auto and each one matches the vehicle's needs and is a good value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
★★★★★ 4
Easy self maintenance.
Does the job of what theu try to upset you Valvoline for a fraction of the price and easy to install.
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Reviewed in the United States on August 27, 2025
★★★★★ 5
Good filter!
I have used this replacement filter for the past 5 changes. Works great
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Saved money
Saved money d.i.y.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
