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    Pentair MasterTemp Swimming Pool Heater

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    Extend Your Pool Season with the Pentair Pool Heater

    Compact and durable, the Pentair MasterTemp™ pool heater is energy-efficient so you can extend your swimming season without breaking the bank. Made to live up to the most rigorous of standards, the MasterTemp heats up fast and operates as easily as your home thermostat, with a digital rotating display that makes temperature adjustments easy and fast.
    • MasterTemp Pool Heater's small size makes it inconspicuous
    • Quiet operation
    • Fuel/air mixture optimized for faster heating and higher energy efficiency
    • Certified with low NOx emissions; more eco-friendly than other heaters in its class
    • Pre-set spa and pool temperatures and monitor system status with five LED-lit buttons
    • Heater’s durable composite outer shell is rust-proof and built to last
    • Rotating digital control display makes temperature control easy, regardless of space surrounding heater location
    • Compact size allows for installation in small spaces
    • Dimensions: 21" W x 28" H x 21" L
    • Available from In The Swim in outputs from 200 to 400 BTU
    • Choose between natural gas and propane energy sources
    • Hot-button ignition means no worrying about a pilot light
      • For residential use only. Click here for ASME-certified commercial pool heaters.
      • Item ships in 7-10 days
      • Free lift gate service included
      • Item: # E3800 Mastertemp Heater 200K NAT GAS $2,144.99
      • Item: # E3805 Mastertemp Heater 200K PROPANE $2,199.99
      • Item: # E3810 Mastertemp Heater 250K NAT GAS $2,269.99
      • Item: # E3815 Mastertemp Heater 250K PROPANE $2,269.99
      • Item: # E3820 Mastertemp Heater 300K NAT GAS $2,379.99
      • Item: # E3825 Mastertemp Heater 300K PROPANE $2,379.99
      • Item: # E3830 Mastertemp Heater 400K NAT GAS $2,844.99
      • Item: # E3835 Mastertemp Heater 400K PROPANE $2,844.99
      • Customer Review
      • Product Specification
      • FAQS
      • MORE INFO
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      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.
      Oversized Delivery Information
      This product is too large to be shipped through UPS, Federal Express or the Post Office. The estimated delivery time is between 7 and 10 business days. If you order this product, you will be contacted by the shipper within 24 hours of the scheduled delivery to set up an appointment for your merchandise.

      Note: Refusal of delivery on an oversized item will be subject to shipping and/or restocking fees.

      Important! Someone must be at the delivery location to receive these items, as they require a signature for delivery. You will be required to assist in moving the packages from the truck at the time of delivery.
      Product Downloads
      2 Year Limited Warranty
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