the 065B-8877LF requires separate tailpiece kits

Optimized Signal: Engineered to provide a clean flame sense microamp level

By integrating a high-performance 135-155 MFD x 330V start capacitor and a heavy-duty potential relay

or horizontal furnace configurations

It is highly recommended to inspect the current blower wheel for debris or imbalance

Aaon R77330 Board 323080-701 the 065B-8877LF requires separate tailpieceThe Aaon R77330 Smoke Detector Power Board, model D4P120B, is a critical OEM replacement component designed for commercial HVAC systems. Engineered for seamless integration with InnovairFlex duct smoke detectors, this 4 wire power board provides the precise voltage and current required for reliable smoke detection in high static environments. As a veteran grade HVACR control board, it supports 2: 1 sensor to board capability, allowing contractors to