The Therm Products C2550-0313N heater assembly does not include a pressure switch (a.k.a. flow switch).
The Therm Products C2550-0313N flo-thru heater assembly has the following features and specifications.
Manifold Length: 15"
Manifold Diameter: 2"
Stainless Steel: Yes
Heating Element Included: Yes
Kilowatt Rating: 5.5KW / 1.375KW
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 approximately 13" from leading Eend @ 12 O'Clock.
Tail Pieces Included: Yes (removable)
Tail Piece Size: 2" x 2" (removable)
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