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	Pool Owner Guide

Home > Pool Equipment > Gas Pool Heaters

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Pentair Mini-Max 100,000 BTU Heater for Above Ground Pools

A compact, self-contained unit with an output of 100,000 BTU’s and a high 82% thermal efficiency that keeps operating cost low while directing more produced heat to your pool.

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Sizing Information

Warranty: 1-Year Limited Warranty

THE SMALL HEATER THAT GIVES YOU MORE!

The MiniMax® 100 heater is a compact, self-contained unit with an output of 100,000 BTU’s and a high 82% thermal efficiency that keeps operating cost low while directing more produced heat to your pool instead of into the outside air.

MiniMax features a patented thermostatic bypass valve which minimizes condensation-related calcium scaling and corrosion preserving heat transfer efficiency, quiet, dependable operation from proven burner system and a service-friendly design that includes a bronze header system for long life and union connection fittings for fast draining and easy winterization.

Equipped with an electronic direct spark ignition for automatic control, and a simple plug-in 120V electric cord for easy installation.

1-Year Limited Warranty

NOTE: These heaters are for residential use only. Click here for ASME certified commercial heaters.

Qty.

Item No.

Item Name

ONLY!

4 Month
Payment Plan

E3740

Natural Gas Heater

$949.99

$237.50

E3745

Propane Heater

$949.99

$237.50

Technical Specifications:

BTU's (000's) : 100
Thermostat Type : Electronic
Installs to 3,500 ft. altitude
The MiniMax® 100 is a compact, lightweight and efficient gas fired high performance aboveground pool and spa heater that can be connected to schedule 40 CPVC or ABS pipe and have built-in tops.
Reliable direct-spark ignition (DSI) system is available in propane or natural gas versions.

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Frequently Asked Questions:

Can this be installed indoors?
- No, only made for outdoor applications.
Is it energy efficient?
- It has an 82% thermal efficiency.

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"Pentair Mini-Max 100,000 BTU Heater for Above Ground Pools"

Overall Rating:

4 out of 5

6 of 7(86%)customers would recommend this product to a friend.

7 "A compact, self-contained unit with an output of 100,000 BTU’s and a high 82% thermal efficiency that keeps operating cost low while directing more produced heat to your pool."

Product Reviews

Overall Rating:

4 out of 5

Works Great,

Date:October 10, 2010

By PJinLosAngeles

from Los Angeles

Pros: Does the Job Accurately, Reliably. Good Value

Cons: Faint buzzing noise

"Bronze manifold had a rough mating surface to the rubber gasket, so I used a thin line of black rtv high temp silicon from automotive shop for a sure seal. Heats my 15x3 round 2.5degF per hour in 80F ambient. Does a good job. Faint electronic buzzing noise said to be an "operational feature" by Pentair tech support, can be heard within 8 or 10 ft of unit. Not a big deal, typical transformer noise. You should not be attaching black gas pipe directly to gas inlet - violates code and is extremely dangerous. Use yellow flexible gas connector of 5/8" inner diameter for good flow. Recommend for 7,000gal or less pool, 1,500 or less spa."

1 of 1 people found this review helpful.

Overall Rating:

5 out of 5

A really great little heater,

Date:July 11, 2009

By unva

from Estacada, OR

Pros: Small, compact, and very efficient

Cons: none

"This heater works great and saves on propane. We replaced our old heater with this one and our propane bill dropped by $60 the first month."

Overall Rating:

5 out of 5

Heater works great,

Date:July 11, 2009

By rbarnickel

from Staten Island, NY

Pros: turbo-heat!

"This heater does not take a long to time to warm up, and works quickly and efficiently. Very happy with it!"

Overall Rating:

5 out of 5

Great heater!,

Date:July 14, 2008

By SweetTay

from Michigan

Pros: simple, efficient, good price

Cons: Not digital

"We replaced our minimax pilot with the minimax electronic ignite and we LOVE it. It was simple to install, so far seems to be about as efficient as one can expect. We've only had 2 gas bills so far, the first one was estimated low, making the 2nd one a little on the high side. So the cost of heating it per month is hard to tell. Anyhow, I do know this heater works faster than the previous model. We have a 15x30 52" above ground pool. I can turn the heater on in the AM around 7 ish. The temp will be in the mid 80's and by noonish I can have it up to the low 90's. (With the solar cover on). We keep our pool quite warm for our special needs daughter....actually it is her pool, it was provided thru Make A Wish about 4 years ago. I would definitely recommend the minimax electronic ignite. It was really a good price compared to all the other heaters I looked at and so far is doing a great job! The only down side is that it doesn't have a digital setting."