Original Master Spa replacement circuit board X801115 or MASX801115

Master Spas MAS1600 Circuit Board. Chip Number: MS1600R1A.

Replaces Balboa Number: 55241. VS501SZ. Found in 2008-2010 spa models of Down East Spas,

2008-2011 Various Models of H2X Swim Spas,

2008-2012 LSX557, 2012-2013 Momentum 80 and 2009-2014 Models of Twilight Series Spas.

Has switchbank for adjustable settings