Description
Marley Engineered Products WT12A DPST Line Voltage Thermostat
The Marley Engineered Products WT12A is a Double Pole Single Throw (DPST) line voltage thermostat engineered for dependable temperature control in electric heating applications. Rated at 22 amps and compatible with both 120V and 240V systems, this thermostat is a trusted solution for electric baseboard heaters, wall heaters, and other line voltage heating equipment. Its double pole switching action fully interrupts both legs of the circuit, providing a true off position and enhanced safety for 240V installations.
Key Features
- Double Pole Single Throw (DPST) switching for true circuit interruption
- 22-amp load rating handles demanding electric heating loads
- Dual voltage compatibility: 120V and 240V operation
- Designed for use with electric baseboard heaters and line voltage heating systems
- Reliable temperature sensing for accurate and consistent comfort control
- Durable construction built to Marley Engineered Products’ quality standards
Specifications
- SKU: WT12A
- Switch Type: DPST (Double Pole Single Throw)
- Amperage Rating: 22 Amps
- Voltage: 120–240V
- Brand: Marley Engineered Products
Application
The WT12A is ideal for HVAC technicians and electricians installing or replacing thermostats on electric baseboard heaters and similar line voltage heating systems. Its wide voltage range makes it a versatile replacement option across a variety of residential and light commercial heating installations.







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