SUPCO Q116 Heat Sequencer – Multi-Stack SPST Heating Sequencer for Electric Furnace & HVAC Applications

The SUPCO Q116 Heat Sequencer is a high-performance, multi-stack heating sequencer engineered for use in electric furnaces and HVAC heating systems. Designed to control up to two heating elements and a blower motor, this sequencer offers precise timing and reliable switching in high-demand environments. It features two switches (SPST) that close and open in a timed delay sequence, helping to prevent power surges and mechanical stress on components during startup and shutdown.

The Q116 is a direct replacement for many OEM models, making it a go-to solution for technicians working on a variety of electric heating systems. Its durable build, quick response time, and compact design make it suitable for residential and light commercial HVAC units. It performs reliably in high-heat conditions and supports smooth operation of sequenced heating elements.

Manufactured by SUPCO, a trusted name in HVAC components, the Q116 is UL recognized and built to meet or exceed OEM specifications. It is ideal for restoring heat operation in systems that rely on multi-stage electric heating.