How far should a direct vent be located from a regulator vent?

The correct distance for a direct vent to be located from a regulator vent is three feet. This requirement is primarily based on safety considerations and ensuring that the systems function effectively without interference. By maintaining this distance, it helps prevent potential cross-contamination of vent gases, which is crucial for the safe operation of both the direct vent system and the regulator vent.

Regulator vents are designed to release gas safely into the atmosphere, while direct vents typically expel combustion by-products. If they are too close to one another, there is a risk that the exhaust from one system could interfere with the operation of the other, potentially leading to unsafe conditions such as back drafts or improper venting. Furthermore, this spacing helps mitigate any possible accumulation of flammable gases near the combustion air intake, contributing to a safer environment around gas appliances.

Following such regulations is crucial for preventing hazards related to gas leaks and ensuring the plumbing system operates within the code standards set forth by authorities.