Robertshaw 4590-226 Bushing 326058-756 relying entirely on the vapor-pressure

relying entirely on the vapor-pressure sensing element for mechanical actuation

Vibration Dampening: Rigid bearing bracket assembly design minimizes shaft runout and harmonic vibration

common across multiple 1

always inspect the fan blade for balance issues to prevent premature bearing wear

This genuine Reznor OEM replacement part (model A19AAF-12C) features a wide temperature range of 25°F to 225°F

Robertshaw 4590-226 Bushing 326058-756 relying entirely on the vapor-pressureThe Robertshaw 4590 226 Bushing is a heavy duty flush bushing designed for high integrity piping transitions in commercial and industrial HVACR systems. Built for professional grade reliability, this 1" MPT x 3 4" FPT reducer enables a secure, leak resistant connection when downsized plumbing or gas lines are required. The flush mount design ensures a low profile fit, minimizing physical interference in tight manifold configurations and equipment