Do indoor tankless water heater prone to freeze?

Users who are viewing this thread

Breplum

Licensed plumbing contractor
Messages
2,583
Reaction score
1,106
Points
113
Location
San Francisco Bay Area
Insulation is only a slight buffer in borderline freezing conditions.
In space that gets below freezing, heat tape might be recommended.
 

John Gayewski

In the Trades
Messages
5,099
Reaction score
1,647
Points
113
Location
Iowa
If this "indoor" condition is subject to freezing then the heater needs drained. As would any piping. The heater is just a pipe wrapped (and/or through) around a firebox.

I would say they are more prone to freezing damage than a tank heater. But that is highly conditional.
 
Top