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The Reznor RZ151263 is a replacement printed circuit board assembly that provides control electronics for compatible Reznor HVAC units. It functions as an analyzer and hot surface ignition (HSI) control board for RDF makeup air heaters and unit heaters, managing ignitor warm-up, gas valve activation, and flame proving. Dimensions are approximately H 9.2 in x W 11.9 in x D 4.8 in, and this version does not include indicator lights.
Replacement Reznor PC/HSI control board for RDF makeup air heaters and unit heaters; dimensions 9.2 x 11.9 x 4.8 in; no indicator lights.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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