inches of water column gauge for sale, brand-new and used.

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This auction is for a Vintage Water Pressure Gauge showing ounces per sq inch & inches of water column. The gauge was made by The Marsh Instrument Co and looks to be in very good condition.

Dwyer Flex-Tube Series 1222 U-Tube Manometer, 12-0-12"WC using Red Gauge Fluid

Dwyer Flex-Tube Seri

Dwyer 1222 series Flex-Tube U-tube type manometer uses red gauge fluid, or mercury or green color concentrate to provide positive, negative, and differential pressure measurement for determining velocity and static pressures, leakage, fan and blower efficiency, filter resistance, and gas pressures. The columns are composed of 1/8" outside diameter flexible and shatterproof clear butyrate tubing for use with colored water, red fluid, or mercury (sold separately).

Antique 3" FISHER 20 OUNCER PER SQUARE INCH / 35 INCHES OF WATER COLUMN Gauge This listing is for an Antique 3" FISHER 20 OUNCER PER SQUARE INCH / 35 INCHES OF WATER COLUMN Gauge. The cosmetic condition of this gauge is good. The pointer is functional but the back of the pointer is broken off and is loose inside the gauge.

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Here we have a Used/Working.

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Single input to measure positive and negative pressure to ±20 inches water column Triple Scale: inches water column(In-WC), mBar, and PSI Ruggedized, including rubber boot with integral magnet Simple two-button operation Measures in inches water gauge Auto power-off after 5 minutes of no activity

Ships to the US only.  Ritchie Yellow J

THIS GAUGE HAS AN INSTRUCTION SHEET IN THE CASE. I DO NOT KNOW IF IT IS THE CORRECT SHEET. I KNOW NOTHING ABOUT GAUGES.

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Easier to use than a manometer, this compact kit helps you accurately set manifold pressure for natural or L.P. gas.

Ritchie Yellow Jacket 78055 Gas Pressure Test Kit - 0-10" W.C. FEATURES Sensitive diaphragm gauge calibrated in inches of water co