Always verify the frame size and shaft diameter before installation

At a nominal size of 25x20x6

A faulty switch often causes the furnace to cycle or fail to ignite

By utilizing an internal U-tube design with a 0

preventing air leaks and unbalancing that can lead to motor failure

Dwyer Instruments 1223-36-D Manometer 340155-7024 Always verify the frame sizeThe Dwyer Instruments 1223 36 D Manometer is a heavy duty U tube manometer engineered for precision pressure measurement in demanding industrial environments. This dual column gauge features a 36 inch scale length with an 18 0 18" w. c. range, providing high resolution readings for positive, negative, and differential pressures. Constructed from shatterproof clear plastic tubing mounted to a rigid white vinyl scale, the 1223 36 D utilizes . 826 sp.