Honeywell Thermostat RTH230B Installation and User Guide
The RTH230B programmable thermostat can be used to control: • a gas, fuel oil or electric furnace - 2 or 3 wires • a central air conditioner - 2 or 3 wires • a hot water system with or without pump - 2 wires • a millivolt system - 2 ...
Saturday, June 27th, 2009
