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

this component features a precise 145°F opening temperature to interrupt the burner circuit upon detecting an overheat condition

Key Benefits High-Temperature Durability: Specifically formulated EPDM material handles steam and hot water applications up to 300°F without degradation

this harness is specifically keyed and gauged for Fenwal-branded controls to ensure proper amperage handling and connection security

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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