Flash Cards
A piping system that circulates water through one pipe that loops through each heating unit in order
One pipe series system
A hot water heating system that circulates hot water using a circulating pump
Forced circulating hat water heating system
A water temperature control system that uses a temperature-sensing device putside the building
Hot water reset control
A heating system that uses to transport heat from the point of generation to the point of use
Hydronic heating system
A hot water boiler accessory that absorb water expansion in the hot water boiler system
Compression tank
The adjustment of the resistance to the flow of water through the branches on the heating system
Balancing
A valve opened and colsed by a float that opens to allow air to escape from a closed piping system
Automatic vent valve
A hot water boiler accessory that meters water flow from the supply line to the heating unit
Diverter fitting
A hot water boiler accessory that automatically blends water returning from the heating units with water supply from the boiler
Three way mixing valve
