Features And Components - A.O. Smith 100 Series Instruction Manual

This Instruction Manual covers two models of commercial electric
water heaters. These two models are equipped from the factory with
different controls.
In this Instruction Manual, one model is factory equipped with
a surface mounted thermostat/ECO combination control and is
referred to as: "Surface Mount Control" models.

FEATURES AND COMPONENTS

FEATURES AND COMPONENTS
Figure 1. Electronic Control Models
8
In this Instruction Manual ,the other model is equipped with an
electronic control system and is referred to as: "Electronic Control"
models.