Versatile 6-inch Probe Length: Ideal for mid-stream mounting in standard commercial ductwork to ensure representative air sampling

Key Benefits Universal Compatibility: Includes multiple dial adaptors and a square break-off shaft to match original equipment knobs and panel depths

12" WC to meet strict manufacturer specifications for secondary heat exchanger safety

How do I know if my Wayne ignitor is failing

Auto-Reset Functionality: Features a 25°F differential

White-Rodgers FR1600M-111 Filter Els PW 17895 Versatile 6-inch Probe Length: IdealThe White Rodgers FR1600M 111 is a high performance 20x20x4 furnace filter engineered for media air cleaners requiring a nominal flow of 1600 CFM. This 3 pack of MERV 11 replacement filters provides an exact fit for the Emerson ACM1600M whole house air cleaner series, as well as several TopTech models. With a deep pleat design, these filters offer a significantly higher surface area compared to standard 1 inch filters, resulting in a low pressure drop