Hot answers tagged chol-hamoed
Sh'miras Shabas K'hilchasah, chapter 66, paragraph 58 and footnote 224, discusses riding in a car on a pleasure trip on chol hamoed, as follows. Rav Sh'lomo Zalman Auerbach suggests that it may be permissible even if one can walk, because the m'lacha involved in riding in a car is hav'ara, burning [gasoline], which is permitted on chol hamoed; but he's ...
IIRC it's the text shmiras shabbos kehilchasa that allows you to use an ordinary plunger -- but not a professional-grade one -- to plunge a clogged toilet even on shabbos. So you'd certainly be allowed to do so on Chol HaMoed. As for using a professional-grade plunger ... I don't have a source.
Only top voted, non community-wiki answers of a minimum length are eligible