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Home > Pool Equipment > Natural Gas Pool Heaters

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Pentair MasterTemp Swimming Pool Heaters

MasterTemp™ works fast and efficiently without taking away from your pools aesthetics. The new design ensures safety and reliability with a tough exterior and easy to use digital controls.

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Oversized Delivery Information

Warranty: 2 Year Limited Warranty

MasterTemp™ – Pentair’s newest innovation in Heaters is sure to meet the unique standards of every pool owner.

MasterTemp™ works fast and efficiently without taking away from your pools aesthetics. The new design ensures safety and reliability with a tough exterior and easy to use digital controls. This eco-friendly heater offers much more than just a longer pool season!

Very compact design for such a high performance heater allows for smaller overall equipment pads that won’t intrude on your poolscape.
A fully pre-mixed system with a highly efficient air and gas mixture lets MasterTemp™ heat up fast. No long waits before enjoying your pool or spa.
Compare energy efficiency ratings and you’ll find MasterTemp™ at the top of the list. Comfort and economy can go together.
With a hot surface ignition (no pilot light) and pushbutton, digital controls, MasterTemp™ is as easy to operate as your home heating system. Plus, user-friendly indicator lights make system operation and monitoring a snap.
The easy-to-view, rotating digital display places controls front and center, no matter how MasterTemp™ is positioned on your equipment pad.

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

Allow 7-10 business days for shipping of this item.

Free Lift Gate Service – Included With This Item!

Qty.

Item No.

Item Name

ONLY!

4 Month
Payment Plan

E3800

Mastertemp Heater 200K NAT GAS

$1,979.99

$495.00

E3805

Mastertemp Heater 200K PROPANE

$1,979.99

$495.00

E3810

Mastertemp Heater 250K NAT GAS

$2,029.99

$507.50

E3815

Mastertemp Heater 250K PROPANE

$2,029.99

$507.50

E3820

Mastertemp Heater 300K NAT GAS

$2,244.99

$561.25

E3825

Mastertemp Heater 300K PROPANE

$2,244.99

$561.25

E3830

Mastertemp Heater 400K NAT GAS

$2,544.99

$636.25

E3835

Mastertemp Heater 400K PROPANE

$2,544.99

$636.25

E3872

Pressure Relief Valve

$104.99

N/A

Frequently Asked Questions:

What questions should you ask when sizing/fitting a heater?

Will the heater be installed indoor or outdoor?
Will it be installed with natural gas or propane?
Electronic Spark (LLD) or Pilot Light (LLG) ignition?
How many BTU’s are needed?

What is a heat exchanger?

The heat exchanger is the component with finned tubes, coils or plates that absorbs heat into the water from inside the exchanger itself.

Why won’t the pilot light?

Could be due to low gas pressure, inadequate air supply or improper venting. Make sure gas is turned on; with propane, make sure the tank has fuel. Also check for water run-off from roof or sprinklers. Check to make sure the heater pilot tubing is intact and not clogged.

Why won’t the heater reach the desired temperature?

The thermostat may be set too low. If the heat loss is greater than the heater input – the heater may be too small, outside air temperature is too low, or your heater may have inadequate gas supply. All heaters have high limit switches to prevent overheating. A faulty high limit switch could shut off the heater, or the problem could be that the heater is truly overheating, perhaps from improper exhaust.

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