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HVAC
NATE Hydronics Oil Service Specialty
Oil Burner Tune-Up
Knowledge Check
Oil Burner Tune-Up
Knowledge Check
Knowledge Check
1 / 15
If the low-water cutoff on a hydronic boiler fails to operate, what serves as the next line of defense against catastrophic overheating?
A
The barometric damper closes to reduce heat input
B
The pressure relief valve opens to discharge water and steam
C
The circulator pump increases flow to cool the heat exchanger
D
The low-limit aquastat shuts off the burner
Check Answer
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