My switch light for the electric water heater burns out every couple years.
Here is a copy of my notes when I had to order new switches.
**********************************
SIGMA SWITCHES
4703 WYLAND DRIVE
ELKHART IN 46514
800-488-9505
=======================================================
ROCKY AT SIGMA 1/29/07 will ship tuesday. ups free
A1-31 SWITCH FOR WATER HEATER, BLACK PLASTIC, RED LITE 3 EACH
ZU-12-14 WHITE PLASTIC, RED LIGHT 3 EACH
ZU-03-14 BLACK PLASTIC, RED LITE 3 EACH
*********************************