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The Gecko M-CLASS series was designed with our customers needs in mind. This hard-working line of hot tub control systems features options for either wall or base mounting, a new easy-to-install heater cover design, and supports a pressure switch and hi-limit probe. The M-CLASS control boxes also offer multiple installation options which allow the unit to be installed on the back, side or front of the power box (with or without it's base). The transformer location, cable paths, strain relief and connector slots have all been improved. This powerful class of spa packs can control one or two single-or-dual-speed pumps, 5.5 kW heater, a blower, circulation pump, ozonator and fiber optics light box. The M-CLASS continues to be a leader in the industry; delivering top performance for nearly every spa and hot tub on the market today!

We support what we sell! If you have any questions about the M-CLASS system before or after the sale, please do not hesitate to call us at 888-772-9887 or email us at [email protected]

NOTE: This is a 4-wire, 220V system (Neutral required).

Model: MC-MP-P122-P222-P312-B1-O1-CP1
Options: A11-A21-LS-H5.5-RTC-T2-AMP-XXX
Gecko 3-74-7035 Control Box Control System VOLTAGE HEATER PUMP1 PUMP2 PUMP3 BLOWER CIRC PUMP OZONE LIGHT
240V 5.5KW
240V
2 spd
120/240V
2 spd
120/240V
1 spd
120/240V
120/
240V
120/
240V
120/
240V
12V/
Fiber Optics
Control Box with Heater
Part #3-74-7035
[Exploded View]
Compatible Topside Controls
TSC-8-GE1 | TSC-8-10K-GE1 | TSC-4-GE1 | TSC-4-10K-GE1*
[Model Options Defined]









* Controls 4 pumps and 1 circulation pump.
Available Circuit Boards


Model: MC-MP-P122-P222-P312-B1-O1-CP1
Options: A11-A21-LS-H5.5-RTC-T2-JJC-XX
Gecko 3-74-7036 Control Box Control System VOLTAGE HEATER PUMP1 PUMP2 PUMP3 BLOWER CIRC PUMP OZONE LIGHT
240V 5.5KW
240V
2 spd
120/240V
2 spd
120/240V
1 spd
120/240V
120/
240V
120/
240V
120/
240V
12V/
Fiber Optics
Control Box with Heater
Part #3-74-7036
[Exploded View]
Compatible Topside Controls
TSC-8-GE1 | TSC-8-10K-GE1 | TSC-4-GE1 | TSC-4-10K-GE1*
[Model Options Defined]









* Controls 4 pumps and 1 circulation pump.
Available Circuit Boards
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Need assistance? We can be reached at [email protected]
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