GS100 with no heater included. This control box will operate a 2Kw or 3Kw heater and 1x two speed pump (Circ pump if main pump one speed), 1x ozone and 1x 12v light.
GS500Z with a 2kw M7 heater, this control box will operate: 1x pump, 1x ozone and 1x 12v light.
GS500Z with a 3kw M7 heater, this control box will operate: 1x Pump, 1x Circ pump, 1x Ozone & 1x 12v light.
GS500Z PCB - Canadian Spa specific board by Balboa.
GS500Z PCB for Plastic GS series spa control packs.
GS500Z PCB for 2kW Plastic GS series spa control packs.
GS501SZ with a 3kw M7 heater, this control box will operate: 2x pumps or 1x pump & 1x blower, 1x ozone and 1x 12v light. *Works only with Serial Standard Topside Controls*
GS501SZ PCB works with GS packs & common on Leisure Bay & Canadian Spas.
GS501Z with a 3kw M7 heater, this control box will operate: 2x pumps or 1x pump & 1x blower, 1x ozone and 1x 12v light.
GS501Z PCB for Plastic GS series spa control packs.
GS510DZ with a 3kw M7 heater, this control box will operate: 2x pumps, 1x blower, 1x ozone and 1x 12v light.
*Works only with Deluxe VL Topside Controls*
GS510DZ PCB - Works with Balboa GS packs.
GS510SZ with a 3kw M7 heater, this control box will operate: 2x pumps, 1x blower, 1x ozone and 1x 12v light.
*Works only with Serial Standard Topside Controls*
GS510SZ PCB - Very common & works with Balboa GS packs.