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Precise Superheat Management: Provides stable 1/2 ton metering to maintain optimal evaporator efficiency
Key Benefits for Technicians: Multi-Refrigerant Compatibility: Fully rated for modern high-pressure systems using R410A and legacy R22 applications
While some specifications may overlap
and furnaces using intermittent pilot controls
Most failures stem from excessive dust accumulation on the fins
Lochinvar & A.O. Smith 100112148 Switch 326070-701 Precise Superheat Management: Provides stableThe 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
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