TERMOVAR allows the boiler temperature to rise quickly upon start-up by minimizing circulation through the boiler until the boiler operating temperature is obtained. This minimizes condensation of combustion products on the fireside, preventing premature corrosion of the boiler. It may be installed either in the supply or return, with a balancing valve in the bypass line. This product is available in sizes 1/2 inch to 2 inches with three mounting options.

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