Will fit: ADGLOWWORM FUELSAVER UFB 30B BOILER. ADGLOWWORM FUELSAVER UFB 40B BOILER. ADGLOWWORM FUELSAVER UFB 50B BOILER. ADGLOWWORM FUELSAVER UFB 60B BOILER. ADGLOWWORM FUELSAVER UFB 75B BOILER. Products will not be covered if misused or not serviced as per maintenance instructions.
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