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This HVAC pneumatic relay offers a field-adjustable setpoint range of 2 to 20 psig with a fixed differential of 2 psi
it ensures seamless electrical compatibility and mounting alignment for a wide range of Rheem
It maintains the same thread pitch and drill size specifications to provide a drop-in fit for older manifolds using the legacy part number
Clean all mating surfaces of old adhesive or debris thoroughly
colors denote the specific PSI range
Lennox 13H25 Assembly This HVAC pneumatic relay offersThe Lennox 13H25 Electrode and Sensor Assembly is the critical OEM ignition and flame detection component for high efficiency Lennox gas furnaces. Functioning as a dual purpose unit, this assembly integrates a high voltage spark electrode and a flame rectification sensor onto a single pre formed mounting bracket. It is the direct factory replacement for the legacy Lennox 13H2501 part number. Designed to withstand the extreme thermal cycles of the