The Balboa 53349 heater assembly is manufactured with a 1.25 P.S.I. pressure switch to ensure detection of flow in hot tub systems with lower flow rates but also works great in systems with higher low rates.
The Balboa 53349 flo-thru heater assembly has the following features and specifications.
Additional Balboa Part Numbers: B53349, BB53349, BAL53349
Series: R574, R576, R574/6, 2000LE, HS200, LE, VALUE (but not limited to, unless specified otherwise above).
Manifold Length: 15"
Manifold Diameter: 2"
Stainless Steel: Yes
Heating Element Included: Yes
Kilowatt Rating: 4.0KW / 1.0KW
Voltage Rating: 240V / 120V
Temperature Sensor Included: No
Hi-Limit Sensor Included: Yes
Pressure Switch Included (A.K.A. Flow Switch): Yes
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 leading end @ 12 O'Clock.
Gaskets Included: Yes
Split Nuts Included: Yes
Tail Pieces Included: Yes (removable)
Tail Piece Size: 2" x 2" (removable)
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