Does this orifice include the pilot nut and ferrule

and MC-4311 series

this component ensures the 35 in-lb torque of the LF actuator is efficiently transferred without slippage

using a 440V to replace a 370V)

This gasket is the primary valve seal for Series 53

Armstrong Furnace R43127-001 Flame Sensor Does this orifice include theThe Armstrong Furnace R43127 001 Flame Sensor is a critical OEM replacement part designed for precision flame rectification in residential heating systems. This furnace flame sensor acts as a primary safety component, communicating directly with the integrated furnace control board to confirm burner ignition. If the sensor fails to detect the required microamp signal within the ignition trial period, the system triggers a safety lockout to prevent the