Heating installation circulation system with automatic control

The utility model belongs to the technical field of indoor heating installation heating system, concretely relates to heating installation circulation system with automatic control. The utility model discloses a solve and to say near the water supply main pipe of boiler room and do not reach the hydrothermal good circulation of pipeline tail end, athermal problem that results in heating provides a heating installation circulation system with automatic control, include return water trunk line and the water supply main pipe way be connected with the boiler room, rear that water supply main pipe said is connected with tubing pump and by -pass, tubing pump and by -pass are parallelly connected, and the switch of tubing pump is controlled by time controller. The utility model discloses utilizing time controller control pipeline pump and by -pass, having realized the circulation of local heating installation, it locates to supply water near the pipeline tail end to make realizes good the circulation, has improved t