Warm-Flo 2.5KW Preheater

Brand: Zehnder
Product Code: Zehn 9397

Price: $769.00

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Optional external preheater for the ComfoAir 350 or 550 units.

Likely not needed if your ComfoAir has the optional attached geothermal unit already, although they can work in tandem nicely in Passive Houses.

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