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Expansion Tanks

Controls thermal water expansion in closed hydronic heating systems. Maintains system pressure below safety relief setting range. Welded construction with butyl rubber diaphragm. Potable water models include polypropylene lining to avoid rusting.

AP400 Series

AP400 Series

Repalcement Parts- Old Style AM Series(Aquamix)

EA79

EA79

The Honeywell EA79 Industrial Air Vent purges air from high pressure mains and equipment in hot or cold closed water systems.

EA122 Heating Systems

EA122 Heating Systems

The Honeywell EA122A Automatic Air Vent purges air from high pressure mains and equipment in hot or cold closed water systems.

EA122 - Potable systems

EA122 - Potable systems

The Honeywell EA122A Automatic Air Vent purges air from high pressure mains and equipment in hot or cold potable water systems.

FV Series GoldTop™

FV Series GoldTop™

The GoldTop offers a convenient, one-fits-all concept, to stock one vent for all your venting needs, between 1 and 150 psi systems. Honeywell's revolutionary patented fulcrum design offers a venting rate of 3-4 times that of other products.

FV Series MaxiVent™

FV Series MaxiVent™

The Maxivent features a low profile, fit anywhere solid brass body and cover, and a high temperature polypropylene float.

HV Series

HV Series

Honeywell's Hygrovent is an automatic air vent for hot water and steam systems. Installed in baseboards, radiators, convectors and high points in piping systems, this nickel-plated valve has a quick venting design and positive shut-off ball check.

PV Series SuperVent(tm)

PV Series SuperVent(tm)

The Honeywell SuperVent, purges air through a no clog vent assembly, to control dirt and debris and minimize air vent fouling in Hydronic heating systems, while eliminating the need for bleeding.

SV Series

SV Series

The Supervent has high venting capacity and incorporates a check valve. Use with SuperVent PV Series products.