This part number (115140) typically refers to the inner access door assembly

Always verify the physical dimensions and voltage on the existing nameplate before installation

the control board flashing a pressure switch stuck open error code

covering port sizes from the 200RB2 up to the 200RB6

5 Cv flow coefficient for efficient flow capacity

Lochinvar & A.O. Smith 100167767 Control Board Els PW 29614 This part number (115140) typicallyThe Lochinvar & A. O. Smith 100167767 Control Board is the direct performance replacement for the discontinued RLY30011 and RLY2200 integrated control modules. Engineered for precise HVAC modulation, this digital boiler control oversees critical firing sequences, including prepurge, ignition trials, and continuous flame monitoring. It is a standard component for Lochinvar Knight KBN (models 80285) and Power Fin (models 5021302) systems, providing the