Zoeller 4295-0032 Model DX4295 Explosion Proof Sewage Pump 2.0 HP 230V 1PH 25' Cord AutomaticZoeller Model DX4295 Explosion Proof Sewage Pump Description Our Model DX4295 is the industry's only automatic explosion proof pump rated for Class 1, Division 1, Groups C & D or Class 1, Zone 1, Groups IIA & IIB. The 2 HP DX4295 is a fully automatic sewage pump that is equipped with a brass float that prevents sparking in hazardous locations. The Pump's vortex impeller allows it to pass 2" spherical solids. The impeller's clearance in relation to the