B) streamline the installation process

Standard Alco D-48 cores are typically packaged with the necessary replacement gaskets for the filter drier shell flange to ensure a leak-proof seal during reassembly

This OEM replacement part (Manufacturer Number 52M74) ensures exact fitment and electrical compatibility for a wide range of Lennox models

it prevents voltage leaks and signal loss that often lead to nuisance lockouts

The LH33ZG001 includes a pre-installed 2-pin Molex connector and high-temperature lead wires

Reznor 98481 Shutter Assembly R-410A B) streamline the installation processThe Reznor 98481 Air Shutter Assembly is a critical OEM component engineered for precise airflow regulation within Reznor unit heaters. Designed to integrate seamlessly with the combustion air intake system, this shutter assembly ensures optimal oxygen mixture, which is essential for maintaining high thermal efficiency and preventing soot accumulation on the heat exchanger. As a veteran technician knows, a sticking or misaligned air shutter can lead