Its remote pilot construction and NBR seals ensure reliable operation within a 5-125 PSI air pressure range

Common Questions: Is the Lennox 78H55 a direct replacement for the 78H5501

5 PSI Cracking Pressure: Featuring a stainless steel spring

the furnace blower may run continuously while the burners fail to ignite

This unit is commonly specified for Trane fan coil units and air handlers where precise torque and thermal stability are critical for long-term reliability

Titus HVAC 100446-01 Blower Wheel Assembly 321894-708 Its remote pilot construction andThe Titus HVAC 100446 01 Blower Wheel Assembly is a direct OEM replacement part engineered specifically for Titus TQS and TQP series fan powered terminals. As a #3 size assembly, this centrifugal blower wheel is critical for restoring factory spec airflow in VAV box maintenance and commercial HVAC air distribution systems. Designed with forward curved blades, the 100446 01 ensures balanced static pressure and quiet operation, mitigating common