| BTU Input: | 99000 |
|---|---|
| Capacity (Gallons): | 27 |
| Height (Inches): | 39.25" |
| Application: | Plumbing |
| Diameter (Inches): | 20" |
| Water Connection: | 3/4" |
| Size: | 3/4" |
| Circulator (GPM): | 6 |
| Continuous Draw: | 162 Gallons/Hr @ 135F |
| 1st Hour Delivery (Gallons): | 192 Gallons @ 135°F |
| Warranty: | 10 Year Limited (Tank), 1 Year Limited (Parts) |
| Max PSI (Boiler): | 45 psi |
| Max PSI (Domestic): | 150 psi |

I bought the 35 about 2 years ago (which by the way is cheaper on this site).. I think the answer to your question depends on 3 things: how good is your boiler? How hot are you going to set it? And how long/ hot do you usually use the water at once? I have a family of 4 - me, my wife and 2 small children. I think the boiler suits us well for the following reasons. 1. My kids shower at night and we shower in the AM. 2. Although we don't set the temp very high (do not want our kids to burn themselves when they open the faucet), we have a very fast heating boiler (burnham alpine), so in the event we run out of hot water it is usually refreshed in 5 minutes I would say I can can take a 20 min shower before it starts getting cold Hope that helps Sent from my iPhone
Indirect water heaters do not qualify for any rebates because their efficiency ratings are based solely on those of the boilers they operate in conjunction with.