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Operating on a single-phase 460V 60Hz electrical supply
allowing for precise flame rectification and signal strength
It serves as the direct factory replacement for the Lennox 44J23
Designed to withstand the rigors of continuous operation
Dwyer Instruments 1221-12-W/M Manometer 323080-701 Operating on a single-phase 460VThe 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
