Mapeheat Thermo Extender is a 25-amp power relay switch compatible with Mapeheat floor-heating thermostats. Available in either 120 V or 240 V, the device enables floor-heating loads in excess of 15 amps to be controlled by a single thermostat.

• Switch allows control of multiple circuits
• High-capacity relay is ideal for inductive loads
• No contact chattering that could cause momentary voltage drops of up to 50%
• Flame-resistant insulation (compliant with UL 94 V-0)
• Standard UL Class B construction
• UL and CSA-approved