Varivalve Air Vents

Varivalve Steam Radiator Air Vents by Heat Timer are the premier quality, high-performance air vents designed to eliminate the air from the steam radiator prior to entering of the steam.
Varivalves are available in 2 options - straight and angle, both models have 1/8" threaded system connection and have adjustable venting rate, which allows to run the system at a lower pressure.
Varivalves outperform and replace similar products produced by Hoffman and Gorton, with added advantage of individual radiator venting rate, thus helping to reduce fuel costs.
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