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Internet # 203468962

Model # SK21

System Kit for IG Pools (to install up to 4- S601 Boxes)

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  • 100 ft. long web strap offers mounting up to 4 solar boxes
  • Multi-language operation manual for ease of installation
  • Designed for sun heater in-ground pools
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Product Details

About This Product

Sunheater System Kit for Solar Heating System for in- ground Pools. Used to Install up to 4- S601 Solar Boxes. This system kit is for Sun Heater only.


  • Model SK21
  • 1 End cap, 1 Vacuum relief end cap, 5 Stainless steel mounting brackets, 5 - 2 in #14 Stainless steel screws
  • 100 ft. Web strap (Mounts up to 4 solar boxes, 1 Spring check valve
  • 3 Stainless steel clamps, Trilingual installation/operation manual (English/French/Spanish
  • 1 - 1.5 in. Diverter valve, 1 - 3.75 in. Hose, 2 Pipe adapters
  • Return Policy
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     see Prop 65 WARNINGS

Product Information

Internet # 203468962

Model # SK21

Additional Resources

Shop All SunHeater


Dimensions: H 10 in, W 10 in, D 10 in


Product Depth (in.)10 inProduct Height (in.)10 in
Product Width (in.)10 in


Fuel TypeSolarOutdoor Living Product TypePool Heaters
Pool Gallons (approx)3500Pool TypeIn Ground
Product Weight (lb.)6 lbReturnable90-Day

Warranty / Certifications

Manufacturer Warranty90 Days

Questions & Answers

Q:I search for heaters for inground pools and this came up
by|Aug 30, 2016
1 Answer
Answer This Question

A:  it is the systems kit for the in ground heater system

by|May 5, 2023
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    Customer Reviews

    5 out of 5
    • 5 out of 1 reviews
    • 100% recommend this product
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    I was able to tie in my solar system in no time
    I was able to tie in my solar system in no time
    • Recommended
    Showing 1-1 of 1 reviews