21. Increasing vent heights, adding vent pipe filters, or providing powered dilution and exhaust can help reduce occurrences. 22. If too much pressure builds up inside the immersion heater it would still overflow out the vent pipe . 23. He dives after an unsuspecting Jerry, and when Jerry spots him, Tom chases him into a vent pipe . 24. To enhance the aesthetics, she adds fresh flowers and swags yards of white tulle around the vent pipes . 25. Another possibility is a blocked, or partially blocked, vent pipe , the pipe that goes up through the roof. 26. The detached kitchen section of the elevation contains a corrugated iron stove recess with a projecting vent pipe . 27. When wind is blowing over the vent pipe it creates a low pressure area sucking the odor out. 28. He heard the high-pitched squeal of wind and watched as the vent pipe was ripped away above him. 29. At our plumber's suggestion we had the vent pipe above the roof extended higher, but the problem still persists. 30. There is a vent pipe from the immersion heater that allows any expansion of water to release safely outside.
