US 6,981,650 B2
Pool/spa heater
Dindo Uy, North Hollywood, Calif. (US); and Peter Owenson, Sonoma, Calif. (US)
Assigned to Jandy Pool Products, Inc., Newport Beach, Calif. (US)
Filed on Dec. 15, 2003, as Appl. No. 10/736,303.
Prior Publication US 2005/0127197 A1, Jun. 16, 2005
Int. Cl. F23N 5/24 (2006.01)
U.S. Cl. 236—21B 6 Claims
OG exemplary drawing
 
1. A temperature control portion for pool or spa heater which is connectable to an external temperature regulating controller, said temperature control portion comprising:
a. at least one primary temperature limiting control switch having a first temperature setpoint;
b. at least one secondary temperature limiting control switch having a second temperature setpoint;
c. a third switch adapted for connection with said external temperature regulating controller; and
d. wherein said second temperature setpoint is higher than a maximum temperature setting on said external temperature regulating controller and lower than said first temperature setpoint.