Bleed valve in heating radiator. Hand with a key for draining air drains water and air from the heater. Adjust heating system preparing the house for the new cold autumn or winter season.
ID: 2210657121
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- 大图:4720 × 3264 像素·39.96 cm × 27.64 cm·300dpi·JPG
- 中图:1000 × 692 像素·35.28 cm × 24.41 cm·72dpi·JPG
- 小图:500 × 346 像素·17.64 cm × 12.21 cm·72dpi·JPG