Versatile Compatibility: Designed for standard 1/8 inch NPT fittings used in Johnson Controls A-4000 series filter and reducing stations

Why did my original fuse block melt

Engineered for durability and thermal stability

Variable-speed fan control logic reduces blower speed when only one zone is calling to mitigate high static pressure

Eclipse 501221 Valve 326010-701 Versatile Compatibility: Designed for standardThe Eclipse 501221 Valve is a high performance 3 inch NPT manual butterfly valve engineered specifically for air and gas flow control within industrial combustion systems. As a full port butterfly valve, the 112BV B model features a beveled disc design with a 75 degree rotation, ensuring a high flow coefficient (Cv) of 457 to minimize pressure drop across the line. Constructed with a powder coated cast iron body and a carbon steel disc, this valve is