Engineered to manage thermal expansion effectively

it fits efficiently into control panels where space is at a premium

With overload protection throughout its 95-degree stroke

Multi-HP Versatility: Consolidates inventory by covering applications from 1/6 HP up to 1/3 HP

Dwyer Instruments 1221-12-W/M Manometer 320734-701 Engineered to manage thermal expansionThe Dwyer Instruments 1221 12 W M Manometer is a field proven Flex Tube U Tube Manometer designed for the high precision pressure diagnostics required in heavy duty HVACR environments. This differential pressure gauge features a 12 inch water column range (6 0 6" w. c.), making it ideal for determining duct static pressure, filter resistance, and fan efficiency. Constructed with 0. 375" O. D. clear butyrate tubing, the columns are specifically