STATIC CARAVAN COINTRA COB 5 & 10 SPARE COIL KIT. Original Cointra Gas Coil Kit for COB5 & COB10 water heater. Cointra Part Number - 902621140. Best of all it's free! PO41,PO42,BT1,BT2,BT3,BT4,BT5,BT6,BT7,BT8,BT9,BT10,BT11,BT12,BT13,BT14.
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