Lochinvar & A.O. Smith 100112148 Switch 326070-701 Key Benefits for Technicians: Multi-Refrigerant

Key Benefits for Technicians: Multi-Refrigerant Compatibility: Fully rated for modern high-pressure systems using R410A and legacy R22 applications

Thermal Protection: Extended copper ends permit fast brazing while protecting the internal PTFE seals from heat damage

Common Questions Is the J38R04578-002 compatible with natural gas

Specifically designed to operate on 460V 3-phase 60Hz (and 400V 50Hz) power supplies

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

Lochinvar & A.O. Smith 100112148 Switch 326070-701 Key Benefits for Technicians: Multi-RefrigerantThe 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