The elastomeric motor mounting gasket dampens vibration;The red, yellow, and green indicator lights show the pump status;The green shows the power applied to the pump, yellow shows the pump is running, and red is for high level alarm;The rubber feet that support the CP-22 Condensate pump help to dampen vibration which reduces noise;The four inlet versus two or three on other pumps provide the greatest installation versatility;Inlet holes have a reinforced wall for durability;The CP-22 Condensate Pump features a removable check valve which allows for hassle free cleaning;The 1/4" quick connect terminals provide easy connection to the built-in overflow switch;Two terminals are provided allowing the installer flexibility to connect the air handler shut-down;The switch features SPDT isolated contacts ready for connection to building automation systems;The CP-22 Condensate Pump comes equipped with shatterproof stainless steel hang tabs which have hole-and-slot design for easy mounting;The tabs are located on convenient 8" centers