This 3CP1120.3 Cat Pump is a 4.2 GPM pump rated at 100-2200 PSI. This pump has a 16.5MM dual drive shaft pump with cover. Fits Maxx 450 and 470 and older CDS units.
High temperature shut off switch.
Bypass pressure relief valve.
HydraMaster Pressure Regulator Check Ball
General Pump 180° thermal relief valve.