The York S1-3500-411P/A Heater Element Kit is a direct OEM replacement heating part designed for high-demand residential and commercial HVAC applications

Smith tankless water heater

This is an OEM Lennox gas conversion part

Zero Minimum Pressure: Direct-acting operation allows the valve to function reliably even at 0 PSI

Eaton Cutler-Hammer CN15DN3AB Contactor 328140-751 The York S1-3500-411P/A Heater ElementThe Eaton Cutler Hammer CN15DN3AB is a professional grade NEMA Size 1 contactor from the renowned Freedom Series, engineered for reliable motor control in demanding HVACR and industrial applications. This 3 pole non reversing contactor is designed to handle a continuous current of 27 Amps and is rated for up to 600VAC. It features a high performance 110 120V AC coil (50 60Hz) and comes standard with one normally open (1NO) auxiliary contact for status