Hercules #35206 1 Qt Boiler and Heating System Cleaner
Part # 35206 SKU 16520
$28.20
10 in stock
Shipping nationwide to the USA + Canada
This is the factory main control board for Lochinvar WHB399 series boilers in sizes 100 through 110. It provides the primary electronic control and safety functions for the boiler.
Not sure it's the right part? Send us the old part number or a photo and we'll check.