The HDP-1111A Thermostat Assembly for 1500 Dryer is compatible with the Highland 1500 Dryer - featured in the Aria Dryer & Chair Combo, Kate Dryer & Chair Combo, Chris Dryer & Chair Combo, Chea Dryer & Chair Combo, Chelsea Dryer & Chair Combo, and the X-TRA Hot Dryer, along with the Pibbs CD320 Virgo Dryer, and provides an affordable solution to extending the life of your 1500 Dryer!