this hot surface ignitor (HSI) provides the consistent

the Trane CNT4717 is designed for Direct Spark Ignition (DSI)

Built with a rugged forged brass body and extended copper connections

the internal seat or the piston O-rings are likely pitted or fouled

the NEMA 4X enclosure is designed to protect against corrosion and windblown dust/rain

Bard 8620-033 Blower Kit R-410A this hot surface ignitor (HSI)The Bard 8620 033 Induced Draft Blower Kit is a critical OEM replacement component engineered for specific Bard wall mount heat pumps and gas electric units. This centrifugal draft inducer is designed to facilitate proper combustion by venting flue gases and maintaining correct static pressure within the heat exchanger. As the direct replacement for Bard 8109 003 and 8109 004, the 8620 033 ensures seamless mechanical fitment and electrical