Description
Full o-ring service kits for Worcester Bosch Greenstar central heating / boiler /system filters.
Fits all plastic filter sizes – mini, 22mm & 28mm
All kits include a resealable syringe of special o-ring grease. This prolongs the life of the seals and aids their sealing properties. Apply sparingly.
These kits are designed to fix leaks but are also required for the yearly service to prevent leaks.
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