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

This is a nice original cast iron water column with a sight gauge for an early steam boiler. The body measures about 2 1/2 x 13 inches and is in good used condition with no cracks, breaks, or repairs of any kind. All of the original valves are still on it.

This is a DWYER DIGITAL manometer. Model No. 477 - 2 - FM.

Yellow Jacket 78050 Digital Electronic Manometer - NEW! This easy-to-use instrument provides a continuous display of the measured positive or negative pressure. Ideal for setting gas pressure at manifold, checking pressure, flue draft and air balancing.

You are bidding on a Brand New Ritchie Yellow Jacket 78050 - Digital Electronic Manometer. Display unit: Inches of water , -19.95" to 19.95" water gauge , Accuracy: +/- 1.5% FS (+/- 0.3 inches of water) , 0.05" water column resolution , Large LCD display , Automatic off , Long battery life , Made in the USA . Yellow Jacket 78050 Digital electronic manometer is a easy-to-use instrument that provides a continuous display of the measured positive or negative pressure.