The Aquatemp 20-00359 heater assembly does not include split nuts, tailpieces or gaskets.
The AquaTemp 20-00359 flo-thru heater assembly has the following features and specifications.
Manifold Length: 13-3/8"
Manifold Diameter: 2"
Stainless Steel: Yes
Heating Element Included: Yes
Kilowatt Rating: 4.5KW
Voltage Rating: 240V / 120V
Mounting Studs: Yes
Number of Mounting Studs: 2
Clip for Sensor: Yes
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.