Each 100135316 unit comes pre-equipped with a burner compression fitting

which is the standard configuration for most International Environmental fan coil blowers

The 35-705506-011G is designed to handle extreme environments

and FUS01348 across numerous 2TFB and 4TFB air handler models

Lennox 51K30 Key 323269-701 Each 100135316 unit comes pre-equippedThe Lennox 51K30 is a high grade Gib head key designed for precision mechanical bonding within commercial HVAC systems. Engineered from C1018 keystock, this non tapered component is essential for securing blower wheels and drive assemblies, ensuring torque is transmitted efficiently without slipping. With an Overall Length (OAL) of 1. 500 inches and cross sectional dimensions of . 374 x 1. 00 inches, this direct OEM replacement offers the exact