C&G 6189 L3 Practice Questions - City & Guilds 6189 Level 3 NVQ Diploma In Domestic Plumbing & Heating Exam

Access More Questions

Under Building Regulations Approved Document G3, which combination of in-line safety devices must protect a packaged unvented hot water storage cylinder against overheating and over-pressure?

A single check valve and a vacuum breaker A pressure reducing valve, an expansion relief valve and a temperature relief valve A double check valve and an anti-gravity loop A motorised valve and a programmable thermostat

Correct Answer:

A pressure reducing valve, an expansion relief valve and a temperature relief valve

Access more questions from this quiz

Continue to C&G 6189 L3 Practice Questions - City & Guilds 6189 Level 3 NVQ Diploma in Domestic Plumbing & Heating Exam for more practice questions and the full quiz experience.

Access More Questions