Laars Heating Systems 2400-040 Flame Holder Assembly 320735-701 Direct Replacement: Simplifies field repairs
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Laars Heating Systems 2400 040 Flame Holder Assembly 320735 701 Direct Replacement: Simplifies field repairs Direct Replacement: Simplifies field repairs by matching original factory specifications for mounting and electrical connection What should I check if I see a 'VFD Fault' on the LCD screen