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Proper installation ensures optimized fuel-to-air ratios and consistent BTU output
Ensure the vent pipe diameter increases as the run length increases and check that the sensing tube is clear of debris
the terminal labeling is standard
verify the resistance of the compressor thermistors
Resideo R24AA1008 Heat Sequencer Els PW 17895 Proper installation ensures optimized fuel-to-airThe Resideo R24AA1008 Heat Sequencer is a field proven, solid state solution for managing heating element staging in electric furnaces, heat pumps, and air handlers. Engineered with a positive temperature coefficient (PTC) heater, this single switch sequencer ensures staggered activation to mitigate high inrush currents and prevent circuit overload. For crews on the job, the universal heat sequencer replacement design is a significant advantage, as it