This potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T&P relief valve setting. This field-adjustable steel tank is air pre-charged at 20 psi, volume 2.1 gallons, designed with an FDA-approved polypropylene liner and Butyl rubber diaphragm, copper-lined steel, and 3/4 inch male inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. IAPMO listed and ANSI/NSF 61 certified. The maximum pressure is 150 psi (10 bar).

Air separatorhow it works

Air separators come in several types, including, tangential, in-line, air and dirt combinations, and air purgers-scoops. F.W. Webb carries an assortment of air and dirt separators in multiple sizes and finishes.

This potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion.

Help your home's hydronic system run effectively and efficiently with an air and dirt separator. Discover air and dirt separators from trusted brands including Caleffi, Spirotherm, and Taco in multiple capacities and temperature settings to properly suit system flow and pipe size. Find options in brass, coated steel, and steel to coordinate with your home heating set-up. Help prevent unnecessary system failure and breakage with an air and dirt separator from F.W. Webb.

Air separatorvalve

The difference between an air separator and an air and dirt separator is all in the product names: air separators remove microbubbles from fluid, while dirt and air separators remove debris and microbubbles. Your system may best function with one type over the other, so make sure to research before choosing.

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