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We have below a selection of hi limit sensors for Sundance Spas - all have a bullet sensor which sits in the heater pouch and is 40mm long
For 6600-068 - (this has a white plastic plug on the end) & the 6600-144 (this has curled finger at the end covered by a black sheath)
A. 2011+ Elite Series
B. 2008+ 680 Burlington model with or without a circ pump
C. 2007+ 680 Hartford and Hawthorne models with or without a circ pump
D. 2008+ 680 Denali, Tacoma; 2008+ 780 Dover
E. 2007+ Hamilton, Chelsee, Certa, and Camden
F. 2007 Metro, Solo, and 680 models
G. 2006 Caprio, Metro, Solo, and 680 Models
H. 2006 Palermo, Bahia, and Cayman
I. 2005 850E Models
J. 2005 780, Sweetwater, and Del Sol Models (with curled finger connectors)
K. 1998-2004 Portofino Models
L. 1989-1991 701-724 Systems (with curled finger connectors)
M. Replaced P/N 6600-129
For 6600-068 - (this has a white plastic plug on the end) & the 6600-144 (this has curled finger at the end covered by a black sheath)
A. 2011+ Elite Series
B. 2008+ 680 Burlington model with or without a circ pump
C. 2007+ 680 Hartford and Hawthorne models with or without a circ pump
D. 2008+ 680 Denali, Tacoma; 2008+ 780 Dover
E. 2007+ Hamilton, Chelsee, Certa, and Camden
F. 2007 Metro, Solo, and 680 models
G. 2006 Caprio, Metro, Solo, and 680 Models
H. 2006 Palermo, Bahia, and Cayman
I. 2005 850E Models
J. 2005 780, Sweetwater, and Del Sol Models (with curled finger connectors)
K. 1998-2004 Portofino Models
L. 1989-1991 701-724 Systems (with curled finger connectors)
M. Replaced P/N 6600-129
For 6600-168 - (this has boxed ends covered by a black sheath)
A. 2006+ 880 Series
B. 650, 850, and 880 Systems, 1995-2005 (Spas with bypass heaters)