The Marley Engineered Products 4520-2059-000 is an OEM 160-230F AUTO Limit Switch designed for high-accuracy temperature monitoring in HVAC heating systems

It features a robust bronze body and a reliable thermal element factory-set to discharge at 210°F and 150 PSI

this specific model (C7041B) is designed for air duct applications

Designed specifically as a 12-1/4 inch tank heater

Wide Compatibility: Seamlessly integrates with both addressable and conventional duct smoke detectors

Emerson Alco 806752 Ball Valve The Marley Engineered Products 4520-2059-000The Emerson Alco 806752 (BVS038) is a professional grade 3 8" ODF refrigeration ball valve designed for the safe isolation of suction, discharge, and liquid lines. Engineered with a forged brass body and extended 100% copper connections, this hermetically welded ball valve ensures leak free performance under high operational stress. It features a full port design to achieve minimal pressure drop across the system, maintaining optimal flow velocity in