Lochinvar & A.O. Smith 100112148 Switch 326070-701 if your unit specifies this

if your unit specifies this part number or requires a 3/4 HP 1075 RPM motor with a 48 frame and CCW rotation

Precise Superheat Management: Provides stable 1/2 ton metering to maintain optimal evaporator efficiency

Acoustic Performance: Engineered as a low-noise component to meet strict residential decibel requirements

The Amana-Goodman 0257F00140S Heat Exchanger is a critical OEM replacement component engineered specifically for Amana and Goodman gas furnaces

and furnaces using intermittent pilot controls

Lochinvar & A.O. Smith 100112148 Switch 326070-701 if your unit specifies thisThe Lochinvar & A. O. Smith 100112148 Switch is a critical safety component designed for high efficiency water heaters and boilers. As a normally open pressure switch, it monitors negative air pressure created by the combustion air blower, ensuring the unit only proceeds to ignition once a proper draft is established. This genuine OEM replacement part is engineered to meet 2" WC specifications, providing the precision required to prevent hazardous gas