Paloma
Choosing the Right Paloma for You
It's a bit like welcoming Christopher Columbus back from the New World. A new age has dawned. The world is not flat. How to come to grips with this new reality?

In the Paloma world, there are two key questions:

What size is my system?
Am I Digital, or am I Legacy?

Sizing your Paloma
In a Tank world, you worried about water in the tank turning cold. Once that happened, you were cooling your heels for quite a while before you could use the hot water again.

In a Paloma world, the trick is to choose the solution that will support the peak simultaneous demand on the system. If you get this right, you will never, ever run out of hot water.

Since in most households, Peak Demand occurs at shower time, ask yourself these simple questions:
How many showers do we take at once?
Do we do any other hot water activities – like wash the dishes or the laundry – at the same time?

At 2.5 gallons per minute (GPM) for a standard shower, 3.0 GPM to fill the bath, and 1.5 GPM for most other activities, calculate your total demand. Then see which of the Paloma systems will support that demand in the middle of winter.

Throughout our product section, we have given an indication of the number of Simultaneous Winter Showers supported by each solution. We assume 40-
degree incoming water for the North, and 60-degree water in the Sunbelt, in all calculations here. A "shower," in this case, is 2.5 gallons of water per minute, delivered constantly at 104 degrees.

Digital or Legacy?
You are Digital if you want any of the following:
An Extreme-Size system
Precise digital temperature settings
The best anti-scald protection
Unparalleled safety engineering
An Outdoor install model (your climate permitting)

But you may be Legacy if . . .
Water pressure is low, under 40 psi
Electric power is problematic or unavailable
You want atmospheric venting (due to cost or length)
You have an insatiable desire to understand your water heater

Take a look at the following Product Selector and review the information on the solutions that seem right for you. Then call our Consumer Advisor for help with an exact match.

Digital Tankless
Legacy Tankless
4.2 Series
7.4 Series
28-C
28-C System
24-MD
12-MD
6-D
Small House/Condominium
Whole House
Extreme Hot Water Home
Second Homes/Cabins
Workshops etc.
Commercial Use
Heating Performance
Simultaneous Winter Showers*
Sunbelt (FL/CA)
1
3
3
6 and up
2
1
no
Deep North (NY/MI)
1
2
2
4 and up
1
under 1
no
1-hour bath fill (64-degree rise)*
181 Gal
314 Gal
314 Gal
Unbelieveable
264 Gal
132 Gal
66 Gal
Controllers & Settings
Digital Main Controller
100-120 degrees
100-140 degrees
100-180 degrees
100-180 degrees
Scald-prevention Bath
Controller
100-120 degrees
100-120 degrees
100-120 degrees
Temperature Knob
Warm > Hot
Warm > Hot
Warm > Hot
Multi-Unit System Controller
2-20 units
ICAD Safety System
Yes
Yes
Yes
Yes
Outdoor Install Model
Yes
Yes
Yes
Venting Type
CAT III
stainless
CAT III
stainless
CAT III
stainless
CAT III
stainless
B-Vent
B-Vent
B-Vent
Max. Gas Input (BTU/Hr)
118,000
199,900
199,900
399,800 ~
178,500
89,300
43,800

"Simultaneous Winter Showers" indicates the number of showers that can be fed at once at the coldest time of the year. It assumes 60 degree F inlet water in the Sunbelt, and 40 degrees F in the North. To achieve the given Bath Fill performance for Legacy Tankless models, it will be necessary to heat incoming water 90 degrees F and then mix with cold water.


The ICAD is a sophisticated system that monitors and optimizes combustion in the firing chamber, providing protection against Carbon Monoxide.
Learn more.
Sae up to $300 Home Energy Improvement Tax Credit
Everyone claims that their product is greener but few take the next step. Paloma is taking that step; we're seeking a solution to a serious and difficult issue. Paloma is ready to meet the challenge.
Learn more.

With any water heater, the trick is to make certain that you don't run out of hot water. View a complete comparison of features and benefits. Learn more.
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