R454B / A2L Conversion Introduction
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https://youtu.be/E-Bzpq-fhOk
Documents
| SmartComfort: Introducing R454-B | Nortek: A2L Guidebook |
410A and R454B Installation Resource |
Video Resources
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| The Future of HVAC Embracing R454B | SRS1 Digital Refrigerant Scale by Fieldpiece | Fieldpiece DR58 & DR82 Review | Smart Comfort R454B Furnace Guide |
