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.
GS520DZ with a 3kw M7 heater, this control box will operate: 2x pumps (Both with 2 speeds), 1x blower, 1x ozone and 1x 12v light.
GS523DZ with a 3kw M7 heater, this control box will operate: 3x pumps, 1x blower, 1x ozone and 1x 12v light.
*Works with Balboa Deluxe range of Topside Controls*
GS523DZ PCB - Very common & works with Balboa GS packs.
HPGL2K3P PCB - Hydropool specific board by Balboa.
Hydropool specific PCB by Balboa for HPL102/103/105 spa control boxes.
GL2000 PCB for Hydrospa HSEX2000 plastic control boxes.
Lite Leader topside with overlay & 6 pin connector - Used on DIY Tubs, Master Spas, Spaform Spas, replaces short cable type 51705.
Aquamonde AQU100 M3 PCB - Aquamonde specific PCB by Balboa.
M3 Elite 2 Pump PCB - Found on older metal Signature Spas/Balboa control boxes.
**Correct image coming soon**
M3 Elite 2 Pump PCB - Found on older metal M3 Elite Balboa control boxes,
M3 Elite PCB - Found on older metal M3 Balboa control boxes, can be used as a cheap alternative to the Spaform SF273 52604 PCB.
Hydropool HPL205 M3 PCB - Hydropool specific PCB by Balboa.
Hydrospa HSEXP M3 PCB - Hydrospa specific PCB by Balboa.