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Hot Surface Igniters - Anyone familiar with them?
As a service eng/field tech I haven't ever seen hot surface ignition used on a direct fired make-up air unit (if that's what is being addressed). Old HSI's were silicon carbide, very brittle after many cycles, and prone to failure. I wouldn't think an HSI would be as reliable in a humid airstream.- standardgreg
- Post #3
- Forum: HVAC/R engineering
