allowing technicians to customize flow rates based on specific load requirements

Use a multimeter to check for electrical continuity

the stainless steel air vent construction is frequently used in ozone water systems due to its high resistance to oxidative corrosion

upside-down installation is not recommended

Robertshaw 4590-226 Bushing 321894-708 allowing technicians to customize flowThe 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