Fitted to the GS500Z spa pack.
Note - for identification there is only ONE code on the board you need to identify this board. This code is on a sticker on the side of the transformer and will clearly state 54510.
Buttons : Jet Light Cold Warm
Thead-In 3-3/8" diameter, 5 scallop grey...
Elbow 45° 2 inch socket x socket
Item number 3 from the exploded diagram....
Waterway pump known as the Executive Euro. This...
Buttons : (space) Jet Temp Light
Thead-In 4" diameter, 5 scallop grey...
This hot tub heater element is 3kw. Incoloy...
Spigot fits into 2 inch pipe to plug the pipe end