NATE Gas & Oil Heating Systems Practice Test 2025 – Complete Exam Prep Flash Cards

Question: 1 / 400

If a technician measures 4" WC at the main gas valve and 2" out of the gas valve, what might this indicate?

?

A potentially faulty gas meter regulator

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy