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the HH19ZA965 is the direct manufacturer-specified replacement for the HH19ZA965A version
The switch supports 120V-277V AC electrical loads and features 1/4" NPT high-pressure and 1/8" NPT low-pressure inlets for robust sampling line connections
5mm of wear or if the inner white center section is no longer flush with the body
The switch operates on a normally closed circuit that opens at its 180-degree set point
Lennox 10M76 Limit Switch the HH19ZA965 is the directThe Lennox 10M76 Auto Limit Switch is a critical safety component designed for precise thermal regulation within high performance HVAC systems. This genuine OEM replacement part features a normally closed disc style configuration that ensures equipment protection by interrupting the circuit upon reaching a 170F cut out threshold. Engineered for consistent cycling, the 10M7601 equivalent automatically resets at 130F, restoring operational continuity
