The Copeland 940-C411-79 is a high-duty 30A 277V Relay designed for heavy-duty switching in commercial HVACR and industrial control systems

including high-demand residential upright and lowboy models

leak-proof fit to help restore system efficiency and operational safety

Constructed with a 430 stainless steel pilot tip and a plated steel body

or soot buildup on the heat exchanger

Cleveland Controls NS2-0544-00 Pressure Switch Els PW 17895 The Copeland 940-C411-79 is aThe Cleveland Controls NS2 0544 00 is an industrial grade differential air pressure switch designed for critical proof of flow and fan status monitoring. This diaphragm actuated pressure switch is the direct manufacturer specified replacement for the RSS 495 544, ensuring seamless mechanical and electrical compatibility. Built with a robust glass filled polycarbonate housing, the NS2 0544 00 provides precise sensing of air and non combustible gases in