Manufactured from the highest quality material and designed for central heating or hot water circulating systems. Available in four size options, with an output of 972 to 2391 BTUs/hr. Available finishes: Chrome, Nickel, Satin Nickel, Regal Brass, Satin Brass, Gold, Satin Gold, Baked epoxy powdercoat white finish or custom colors. Matching installation accessories included.