Does it matter which terminal I connect the wires to

OEM Compatibility: Specifically engineered to fit Nordyne and Intertherm furnaces without the need for field modifications

Safety Regulation: Actively monitors the 1-5 PSI pressure range to protect heat exchangers from damage caused by improper flow rates

For veteran technicians and boiler contractors

while the no-jam single lever action ensures reliable shut-off even in systems with high inlet pressures up to 165 PSI

Lennox 31W19 Flue Transition 319852-301 Does it matter which terminalThe Lennox 31W19 Flue Transition is a critical induced draft component engineered for high performance Lennox packaged HVAC systems. As an essential OEM replacement part, this flue exhaust transition manages the path of combustion gases from the heat exchanger to the external vent, preventing backdraft and ensuring safe equipment operation. Fabricated to strict factory tolerances, the 31W19 eliminates the alignment issues ????? associated with