Part Number - 87161069390. FLUE TUBE UPPER. WORCESTER GREENSTAR 12I FSN NG SYSTEM. WORCESTER GREENSTAR 12I FSP LPG SYSTEM. WORCESTER GREENSTAR 12I SYSTEM ERP. WORCESTER GREENSTAR 12RI FON NG. WORCESTER GREENSTAR 12RI FSP LPG.
eBay