The Jacuzzi 2000-680 flo-thru heater assembly has the following features and specifications.
Additional Jacuzzi Part Numbers: 2000680
Series: Z135 (but not limited to, unless specified otherwise above).
Manifold Length: 15"
Manifold Diameter: 2"
Heating Element Included: Yes
Kilowatt Rating: 4.0KW
Voltage Rating: 240V
Temperature Sensor Included: No
Hi-Limit Sensor Included: Yes
Pressure Switch Included (A.K.A. Flow Switch): No
Number of Threaded Taps: 2
Threaded Tap Location(s): Pressure switch tap (center) approximately 8-1/4" from leading end @ 12 O'Clock and sensor tap approximately 13" from opposite leading end @ 12 O'Clock.