This switch is calibrated exactly to 260°F to match the heat exchanger's design limits and maintain UL safety standards

providing a seamless retrofit for technicians servicing large-scale HVACR systems

Key Benefits Precise Thermal Cut-Out: Pre-set 200°F opening temperature provides essential overheat protection to protect the heat exchanger

as an OEM Johnson Controls part

Can I use this on non-York equipment

Marley Engineered Products 2501-2003-007 Grille Assembly 30067439-890 This switch is calibrated exactlyWhen completing a multi unit installation or a critical repair, contractors need a Marley Engineered Products 2501 2003 007 Grille Assembly that matches OEM specifications for both form and function. This replacement front grille assembly is a standard component for QMark and Berko electric heaters, specifically engineered for the AWH4 series and FRC series wall heaters. Built with heavy gauge steel and a durable bronze finish, this HVAC heater grille