TPI ET9SWTS Heat Only Thermostat Wire Leads 50 - 90F

Description:

The TPI ET9SWTS is a line voltage heat-only wall thermostat designed to provide reliable temperature control for electric resistance heating systems and unit heaters. Featuring a single-pole single-throw (SPST) switching configuration, wire lead connections, an integrated thermometer, and an adjustable temperature range of 50°F to 90°F, it provides accurate room temperature regulation in commercial, industrial, and residential applications. The thermostat mounts directly to the wall and is commonly installed with electric wall heaters, baseboard heaters, fan-forced unit heaters, and other electric heating equipment. HVAC technicians, electricians, and maintenance personnel use it for new installations, replacements, and heating system upgrades.

Applications:

The TPI ET9SWTS is used in line voltage electric heating systems requiring dependable room temperature control. It is suitable for electric unit heaters, baseboard heaters, wall heaters, fan-forced heaters, workshops, warehouses, offices, garages, and commercial buildings where automatic temperature regulation improves comfort and energy efficiency.

Technical Specifications:

• Manufacturer Part Number (MPN): ET9SWTS
• Manufacturer: TPI Corporation
• Product Type: Line Voltage Wall Thermostat
• Series: ET9
• Thermostat Type: Heat Only
• Switch Type: SPST (Single Pole Single Throw)
• Temperature Range: 50°F to 90°F (10°C to 32°C)
• Differential: Approximately 2°F (Heating)
• Supply Voltage: 120–277 VAC
• Heating Rating: 22 A Resistive @ 120–277 VAC
• Motor Rating: 3/4 HP @ 125 VAC; 1-1/2 HP @ 250/277 VAC
• Connections: Wire Leads
• Thermometer: Built-in Fahrenheit/Celsius thermometer
• Mounting Type: Wall Mount
• Color: White
• Certifications: UL Listed, CSA Certified, RoHS Compliant
• Compatible Equipment: Electric baseboard heaters, wall heaters, fan-forced unit heaters, resistance heating elements, and commercial electric heating systems
• Installation Type: OEM replacement line voltage thermostat
• Application Environment: Residential, commercial, institutional, and industrial electric heating applications.

Common Replacements:

• TPI ET9SWTS SPST Heat Only Thermostat
• TPI ET9STS SPST Heat Only Thermostat (terminal connections)
• TPI ET9DWTS DPST Heat Only Thermostat (wire leads with positive OFF)