PGDB Certifying Plumber Practice Questions - NZ PGDB Certifying Plumber Examination Exam

Access More Questions

A new mains-pressure hot-water cylinder is installed in a dwelling. What device is required to limit the temperature of water delivered to a bathroom basin and shower to the maximum safe level?

An expansion control valve A tempering valve or thermostatic mixing valve A pressure-reducing valve A non-return (check) valve

Correct Answer:

A tempering valve or thermostatic mixing valve

Access more questions from this quiz

Continue to PGDB Certifying Plumber Practice Questions - NZ PGDB Certifying Plumber Examination Exam for more practice questions and the full quiz experience.

Access More Questions