Plumbing Colour Codes

Code			Circuit
Bk	Bk	Bk
Bl	Bl	Bl	Cold Water Combined Tanks
Gn	Gn	Gn	Sea Water
Rd	Rd	Rd	Hot Water from Heater
Wh	Wh	Wh
Yl	Yl	Yl
Bk	Bl	Gn
Bk	Bl	Rd
Bk	Bl	Wh
Bk	Bl	Yl
Bk	Gn	Bl	Cold Water to Heater
Bk	Gn	Rd
Bk	Gn	Wh
Bk	Gn	Yl
Bk	Rd	Bl
Bk	Rd	Gn
Bk	Rd	Wh
Bk	Rd	Yl
Bk	Wh	Bl
Bk	Wh	Gn
Bk	Wh	Rd
Bk	Wh	Yl
Bk	Yl	Bl	Cold Water to Cockpit Shower
Bk	Yl	Gn
Bk	Yl	Rd	Hot Water to Galley
Bk	Yl	Wh
Bl	Bk	Gn
Bl	Bk	Rd
Bl	Bk	Wh	Engine Coolant from Water Heater
Bl	Bk	Yl
Bl	Gn	Rd
Bl	Gn	Wh
Bl	Gn	Yl	Cold Water from Aft Tank
Bl	Rd	Gn
Bl	Rd	Wh
Bl	Rd	Yl	Cold Water from Fwd Tank
Bl	Wh	Gn
Bl	Wh	Rd
Bl	Wh	Yl
Bl	Yl	Gn	Cold Water to Head
Bl	Yl	Rd	Cold Water to Galley
Bl	Yl	Wh
Gn	Bk	Rd
Gn	Bk	Wh
Gn	Bk	Yl
Gn	Bl	Rd
Gn	Bl	Wh
Gn	Bl	Yl
Gn	Rd	Wh
Gn	Rd	Yl
Gn	Wh	Rd
Gn	Wh	Yl
Gn	Yl	Rd	Hot Water to Head
Gn	Yl	Wh
Rd	Bk	Wh	Engine Coolant to Water Heater
Rd	Bk	Yl
Rd	Bl	Wh
Rd	Bl	Yl
Rd	Gn	Wh
Rd	Gn	Yl
Rd	Wh	Yl
Rd	Yl	Wh
Wh	Bk	Yl
Wh	Bl	Yl
Wh	Gn	Yl
Wh	Rd	Yl