Anglo-Nordic AN20 low volume pressure pump unit sucks oil from the tank and pumps it to an appliance. The unit ensures continual fuel supply with a pressure switch which controls the pump between 1.5 bar and 2.5 bar. The unit also includes low and high pressure safety devices. Supplied with a 10 mm x ⅜" BSP TM adaptor and 0.1 to 20 l/h, 100 mb oil pressure regulator with 10 mm comp. connections.