As an essential component for precise refrigerant flow control

this specific part is designed for "Exposed" models like the V-3000-8012

Its robust mechanical design ensures reliable overheat protection and maintains high-efficiency performance for veteran HVAC contractors and service technicians

and debris in harsh outdoor environments

featuring a T-O-D 36TX16 small-footprint design for tight PCB or bracket mounting

Marley Engineered Products 4520-0011-002 Limit Switch As an essential component forAs 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