requiring no external power source

The 14F83 maintains system integrity and performance levels originally specified by Lennox

High-Performance Output: Delivers 3450 RPM to provide the necessary negative pressure for consistent pressure switch engagement

What is the primary cause of replacement for this specific valve

Lochinvar & A.O. Smith 100167828 Control 318423-701 requiring no external power sourceFor operations in elevated environments, the Lochinvar & A. O. Smith 100167828 Control is the specific high altitude integrated control required to maintain precise combustion and system safety. Standard control modules are often calibrated for sea level air density, but this OEM replacement part is engineered to manage heating systems at altitudes between 3,000 and 12,000 feet. It actively regulates the blower speed, gas valve, and internal pumps to