Outdoor Wood Furnace, Bell and Gossett,circulating Pump, Pl-36 Bell & Gossett PL36 Pump Cast Iron 3 Year Warranty Bell and Gossett red PL 36 pump. This unit is designed for distances of over 100 ft. B&G's powerful, dry motor design delivers exceptional performance 25% more efficient than competitors Precision-machined and balanced alloy steel rotor for superior performance.