Standardized Terminal Layout: Ensures straightforward retrofit installations and reduces wire tracing time during system commissioning

Common Questions & Technical Insights What is the actual size of the unit

installing this genuine 20197311 vacuum switch ensures the system maintains precise combustion air ratios and meets manufacturer specifications for air proving logic

Whether you are addressing a furnace blower motor replacement or upgrading for better SEER2 performance

which can lead to atmospheric pressure leaks

Lau 02895824 Blower Wheel 340155-7026 Standardized Terminal Layout: Ensures straightforwardReplace your worn or noisy air handler components with the Lau 02895824 Blower Wheel, a high performance direct drive blower wheel engineered for demanding HVACR applications. This double inlet blower wheel features a 5 3 4" diameter and an 8" width, providing the balanced airflow necessary for efficient cooling and heating cycles. Constructed with a 1 2" bore and designed for CW rotation (clockwise), this wheel is a standard choice for technicians