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Its corrosion-resistant 321SS construction makes it the preferred choice for industrial environments where standard 304 or 316 steel may fail under high-heat stressors
overheating from nearby heat strips
For technicians performing preventive maintenance or emergency repairs
replacing with an authentic 8201-056BX ensures that high-limit safety loops and blower-off delay timings remain within factory specifications
Lochinvar & A.O. Smith 100112636 Control Board 321894-709 Its corrosion-resistant 321SS construction makesThe Lochinvar & A. O. Smith 100112636 Control Board is a critical OEM replacement part designed for precision direct spark ignition (DSI) and intermittent pilot systems in commercial water heaters and boilers. This Fenwal ignition control operates on 24VAC 120VAC, 50 60Hz, utilizing advanced flame rectification technology to monitor burner performance and ensure safe startup cycles. As a veteran grade HVAC replacement board, the 100112636 features
US$ 122.50
US$ 122.50
US$ 122.50
US$ 122.50