Dwyer Instruments TSW-250 Temperature Switch 322056-301 This heat sequencer relay is

This heat sequencer relay is engineered to manage the activation of electric heating elements

1-inch diameter wheels with a 7-inch width

Broad Compatibility: Serving as the standard Carrier flame sensor assembly for an array of gas furnaces and package units

or extreme cold

it includes an integrated ISO 5211 mounting pad for seamless automation without the need for custom brackets

Dwyer Instruments TSW-250 Temperature Switch 322056-301 This heat sequencer relay isThe Dwyer Instruments TSW 250 is a rugged, digital temperature switch designed for heavy duty HVACR and industrial processes. This dual stage temperature control features a weatherproof NEMA 4X enclosure, making it the standard for rooftop units and washdown environments. Operating on a universal 90 to 255 Vac power supply, the TSW 250 eliminates the need for separate models for different voltage requirements. The unit utilizes a precise PTC