ACS CCN1 Practice Test
CCN1 Meter and Controls 2
What is the purpose of a multifunctional gas valve on a modern combination boiler?
Select your answer
A
To measure gas consumption for billing purposes
B
To combine the functions of gas isolation, pressure regulation, and modulating gas flow to the burner in a single component
C
To provide hot water storage
D
To control the central heating pump speed
Hint
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