This listing is for a Brand NEW THOMAS Compressor model 135ADC56/24 Piston Air Compressor,1/10HP,24VDCV used in a variety of applications such as Compressed air tanks, RV/motor coach / bus/ truck Air Ride, Air doors, Air slides, etc.
This replaces the discontinued part # 115ADC56/24. 
This is NOT for a 115 model but the replacement 135 model.