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A supply system which circulates water through a storage tank and one or more gas-fired heaters by means of a […]

A pipe forming part of the primary or secondary circuit of a hot-water system

1. The traffic pattern through an area or building. 2. In a building, a scheme providing for a smooth, economical,

A system in which the same water circulates around a closed loop; sometimes a small amount must be added to

A measure of the pressure available in a hot-water supply system for circulating water around the convection circuit

A large window having the shape of a full circle; often has decorative elements within the circle disposed in a