Integrated Combo Systems Flashcards
1
Q
Integrated combo heating systems utilize domestic _____________ to provide space heating
A
Hot water heaters
2
Q
Integrated combo heating systems, utilized domestic hot water heaters to provide space heat. Systems can be ______ or _________.
A
Open or closed
3
Q
___________ operate the same but the system becomes closed when a backflow prevention valve or ___________ is installed in the cold water piping upstream of the water heater.
A
- Closed system.
- Check valve