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What type of bolt should be used when attaching a watercloset to a flange?

  1. Steel bolt

  2. Corrosion-resistant bolt

  3. Brass bolt

  4. Plastic bolt

The correct answer is: Corrosion-resistant bolt

When attaching a water closet, or toilet, to a flange, the use of a corrosion-resistant bolt is essential due to the environment in which it operates. Toilets are often subjected to moisture and humidity, which can lead to rusting and degradation of standard steel bolts over time. Corrosion-resistant bolts, which may be made of materials such as stainless steel or other alloys, are designed to withstand these conditions without corroding. This durability ensures a secure connection that maintains the integrity of the installation, preventing leaks and potential water damage. Additionally, using a bolt made from a corrosion-resistant material enhances the longevity of the installation, contributing to overall plumbing system reliability.