Marley Engineered Products 4520-0011-002 Limit Switch though typical pilot signals range

though typical pilot signals range higher depending on the specific module

Field-verified for compatibility with various Nortek Global HVAC products

Direct Replacement: replaces cracked or leaking collector boxes to resolve furnace pressure switch lockout issues

a different Danfoss part number must be selected to match the system voltage

Marley Engineered Products 4520-0011-002 Limit Switch though typical pilot signals rangeAs a seasoned technician, you know that a reliable furnace limit switch is the primary line of defense against heat exchanger failure and fire hazards. The Marley Engineered Products 4520 0011 002 is a high performance linear limit protector designed for precision in demanding industrial and commercial heating applications. This 325F CO AUTO limit switch is engineered to monitor temperatures within the plenum and automatically interrupt the heating