TIROAR 470179 ELECTRONIC THERMOSTAT CIRCUIT BOARD FOR PENTAIR MINIMAX PLUS | eBay
Digital Thermostat with LED Temperature Display
Digital Thermostat Module Micro DC 12V -50℃ to +110℃ Temperature Controller Board, Electronic Temperature Control Module Switch, 10A Relay Waterproof Sensor Probe Dual LED Display: Amazon.com: Industrial & Scientific