Worcester Greenstar Return Unit – Refurbished | Part No. 87161064420 (Without Bypass)

Poor circulation, reduced heating performance, or a leaking return manifold on a Worcester Greenstar boiler is often traced back to a worn return unit. The Worcester Greenstar Return Unit (Part No. 87161064420, without bypass) is the direct refurbished replacement, restoring the safe and efficient return of heated water to the boiler across a very wide range of Greenstar Combi, Classic, ErP, and i System models.

This refurbished unit is quality-checked by our experienced engineering team to the highest standard before dispatch, confirming correct fit and reliable operation. Supplied with a full 12-month warranty.

Compatible Boiler Models

Quality-Checked. Reliable. 12-Month Warranty.

Every refurbished Worcester return unit we supply is quality-checked to the highest standard by our experienced engineering team before dispatch. This 87161064420 unit covers one of the widest Worcester Greenstar compatibility ranges available, and is supplied with a full 12-month warranty.

Delivery & Returns

Orders placed before 3:00 PM (Mon–Fri) are dispatched the same working day. Standard and next-day delivery available at checkout, including Saturday delivery for an additional charge. Returns accepted within 30 days in original unused condition.

Note: Please confirm that part number 87161064420 matches your existing return unit and check your boiler's GC number before ordering. Installation must be carried out by a Gas Safe registered engineer to ensure safety compliance and warranty validity.