The Spa Components B24040GM heater assembly was made to replace Gecko M-Class heaters (but not all and not limited to).
The Spa Components B24040GM flo-thru heater assembly has the following features and specifications.
Series: M-Class (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
Mounting Studs: Yes
Number of Mounting Studs: 4
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.
The Spa Components B24040GM heater can be replaced by the heaters shown below in RELATED PRODUCTS