Lochinvar & A.O. Smith 100327100 Switch 326058-756 The Johnson Controls P170AB-2 is

The Johnson Controls P170AB-2 is a heavy-duty single pole single throw (SPST) low pressure control engineered for critical cycling and high-pressure cutout applications

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Precise Modulation: Facilitates 1% increment adjustments for optimized combustion and energy efficiency

The SPDT auxiliary switch is used to provide confirmation that the actuator has reached its end-of-travel position

Lochinvar & A.O. Smith 100327100 Switch 326058-756 The Johnson Controls P170AB-2 isThe Lochinvar & A. O. Smith 100327100 Switch is a critical manual reset switch designed to protect water heaters and HVAC systems from hazardous overheating conditions. As a resettable thermal switch, it functions as a high limit safety control that breaks the electrical circuitspecifically the thermocouple or gas valve circuitwhenever temperatures exceed the L270F threshold. This part is the direct replacement for 100166080 and is compatible with a