Robertshaw 4590-226 Bushing R-407A this is a pre-programmed service

this is a pre-programmed service motor

3 and EON motors found in specific residential and light commercial air handlers and furnaces

making it a standard for HVAC flame sensor replacement in furnaces

leak-free braze joint for high-flow commercial refrigeration and air conditioning circuits

Robertshaw 4590-226 Bushing R-407A this is a pre-programmed serviceThe 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