The Warrick 26NMB1B0A Control is a reliable low water cutoff plug-in module engineered specifically for boiler feed and condensate pump applications

and it automatically closes once the system cools to 130°F

Precision Pressure Ratings: Optimized for 135 PSI air and 80 PSI oil applications to prevent bypass leakage

Durable Infrastructure: Heavy-duty materials prevent corrosion and mechanical damage

preventing the backdrafting and pressure switch errors common with generic "will-fit" alternatives

Heat Controller 17122000049085 Control Board 321042-401 The Warrick 26NMB1B0A Control isThe Heat Controller 17122000049085 Control Board is a critical OEM replacement component designed for precision management of residential HVAC cycles. As a specialized HVAC control board replacement, this unit regulates the synchronized operation of the compressor, blower fan, and system sensors to ensure mechanical efficiency and stable thermostatic response. Engineered for high durability residential HVAC applications, the board features an advanced