Durable Construction: Built to withstand the high-temperature environment of the furnace vestibule for long-term operational stability

For technicians troubleshooting furnace short cycling or open-limit error codes

For technicians troubleshooting furnace relay boards or air handler control circuits

What wire gauges are compatible with the mounting base

ICM Controls ICM103 Timer Durable Construction: Built to withstandThe ICM103 Delay On Make Timer is a high precision, solid state timing solution designed for industrial and residential HVACR applications, specifically compressor staging and motor sequencing. This universal voltage timer operates across an 18 240 VAC range, making it a versatile addition to any service truck. Built with veteran contractors in mind, it features switch settable time delays ranging from 1 to 1,023 seconds, adjustable in 1 second