This automatic temperature limit switch operates within a fixed 170°F to 200°F range

Key Benefits for Contractors: Precise Alignment: The 90 degree bend ensures the sensing rod is positioned directly within the pilot or main burner flame path for consistent milliamp readings

Can this regulator be used for outdoor installations

Industrial-Grade Insulation: 30-inch PTFE (Teflon) lead wire maintains a high 482°F rating for routing through narrow burner vestibules

Gray in Color

Emerson Alco 043337 Filter Drier Els PW 17895 This automatic temperature limit switchThe Emerson Alco 043337, also identified by model number BFK 164S, is a high capacity bi directional liquid line filter drier engineered specifically for heat pump applications. Featuring a 1 2" ODF sweat connection and a 16 cubic inch desiccant volume, this unit utilizes a specialized internal check valve system that ensures flow filtration in both heating and cooling modes without requiring external check valves. The solid core composition is