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Pentair MasterTemp 400 High Performance Pool & Spa Heater 400,000 BTUs, Natural Gas | EC-462028

Pentair SKU: EC-462028
Pentair MasterTemp 400 High Performance Pool & Spa Heater 400,000 BTUs, Natural Gas | EC - 462028 - Pool Heaters - img - 1
Pentair MasterTemp® 400K Natural Gas Heater EC-462028 (460736) - Gas Heaters - img-1

Pentair MasterTemp 400 High Performance Pool & Spa Heater 400,000 BTUs, Natural Gas | EC-462028

Pentair SKU: EC-462028
  • In stock, ready to ship
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$4,789.00 Regular price $5,299.99
Instant Savings: $510.99Sale price $4,789.00
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Questions about returns? View our return policy.
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HEAT YOUR POOL SMARTER

Save money and energy with the MasterTemp High-Performance Heater. Already known as being dependable and efficient, MasterTemp now offers smart features and an optional energy-saving Smart Bypass Valve Kit to help you ensure your pool is ready whenever you are.

  • Smart connectivity via the Pentair Automation Systems enable you to manage pool functions anytime, anywhere. 
  • Full-text digital display combines new functions and a user-friendly menu for easy operation and diagnostics.
  • Digital connectivity with your pool’s automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance.       
  • Alerts pushed to a smart device to keep you updated on heater performance and real-time status.
  • Optional Smart Heater Bypass valve control diverts water flow when the heater isn’t needed to help save up to 35% in yearly operational costs.

Brochure | MasterTemp - English 
MasterTemp Pool and Spa Heater Installation and Users Guide - English
MasterTemp Pool and Spa Heater Installation and Users Guide - Spanish
MasterTemp and Max-E-Therm Bypass Access Plug Kit Instructions ASME Models Only - English
MasterTemp and Max-E-Therm Pool Heaters Combustion Chamber Replacement Parts ADDENDUM - English
MasterTemp and Max-E-Therm Heater Direct air Intake Duct with 3 inch PVC Pipe Kit Installation Instructions - English
MasterTemp and Max-E-Therm Heater Groundwire Kit Installation Instructions - English
Heater Checklist
MasterTemp Orifice Adjustment Kit Instructions
Submittal Data


SKU: EC-462028

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

  • We do not ship on Saturday or Sunday.
  • Orders totaling more than $300 will require signature confirmation upon delivery.
  • We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
  • Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
  • Expedited shipping options are available at checkout.

Return Policy:

  • Products that are received damaged will receive a refund in store credit.
  • Most products are eligible for return within 30 days of receipt, except where noted below.
  • To initiate a return, please complete an RMA form prior to sending your item back.
  • Original shipping costs are non-refundable and will be deducted from the return credit.
  • Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
  • Some returns will be charged an automatic 15% restocking fee.
  • We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
  • Please complete the return form to receive your RMA number and return shipping label.
  • Chemical products are not eligible for return under any circumstances.
  • The Pentair Colorsync 618031 is not eligible for return.
  • Pool cleaners are not eligible for return.
  • Opened seals and o-rings are not eligible for return.
  • Capacitors are not eligible for return.
  • Plastic popup tools are not eligible for return.
  • Automation components and circuit boards are not eligible for return.
  • If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
  • Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.