The Therm Products C2400-1002 heater assembly can be found in Sundance Cheyenne, Aspen and Vail hot tubs from 1998 to 1999 and Spa Builders AP, AP-4, LX and LX-10 control packs
The Therm Products C2400-1002 flo-thru heater assembly has the following features and specifications.
Additional Therm Products Part Numbers: C2400-1002-TI, C2400-1002(ET)
Manifold Length: 12"
Manifold Diameter: 2"
Heating Element Included: Yes
Kilowatt Rating: 4.0KW
Mounting Studs: Yes
Number of Mounting Studs: 2
Temperature Sensor Included: No
Hi-Limit Sensor Included: No
Pressure Switch Included (A.K.A. Flow Switch): No
Number of Threaded Taps: 1
Threaded Tap Location(s): Pressure switch tap 12 O'Clock.