The best website for Swimming Pool Parts, Spa Parts, Pool Equipment, and Pool Supplies...

McAfee SECURE sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
Sunheater Aboveground Solar Heating System S421P

Sunheater Aboveground Solar Heating System S421P


Sunheater Aboveground Solar Heating System S421P


For aboveground pools 2 - 2' x 20'


A SunHeater(TM) solar pool heating system will raise the temperature of your pool water by up to 10 F (6 C). or more. It is lightweight, durable and easy to install. Water simply flows through the SunHeater's many tubes via your existing pool pump where it is heated by the sun and returned to your pool. The system can be installed on the roof of your house, shed or cabana, mounted to a rack (optional mounting kit SK43 available), or simply placed on the ground. Get the system used by hundreds of thousands of Americans, the SunHeater(TM) solar pool heating system, and save money on fuel and electricity bills, extend your swimming season by weeks, and get more enjoyment from your pool than ever before. Systems are available to suit all sizes of aboveground and inground pools.

  • Over-Molded Fiberglass Crush-Proof Header Pipes
  • Direct-Flow System For Efficient Heating And Winterizing
  • Tube On Web Design For Better Heating
  • 2' Panel Height
  • One box is sufficient to heat most aboveground pools
  • Install on ground, roof, or rack
  • Raises pool water temperature 10 F (6 C) or more
  • Simple do-it-yourself installation
  • Uses existing pool pump
  • Tube on web design for maximum exposure to sun's rays
  • No fuel bills or expensive installation of equipment and connection
  • Easy to drain for winterizing
  • 2 - 2' x 20' polypropylene collectors
  • 2 threaded elbow adapters
  • 4 end caps
  • 4 stainless steel hose clamps
  • 1 roll of TeflonTM tape
  • 1 rubber connector hose
  • Trilingual installation/operation manual (English/French/Spanish)
  • ORDER GUIDE for 80 sq. ft. System
  • Round Pool
    15' - 24' use 1 Solar Box
    27' - 28' use 2 Solar Boxes


Oval Pool
12' x 24' - 16' x 25' use 1 Solar Box
16' x 32' - 18' x 34' use 2 Solar Boxes


Photo Product SKU Price Order
4’ X 20’ Sunheater Abg Pools 4’ X 20’ Sunheater Abg Pools SM421
Price: $230.33 
Quantity: