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Heat Exchanger, Pentair MasterTemp/Max-E-Therm 400, Nat./LP

Marsoni M251S
Sale price$684.55
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Get it in 3 business days with 1 day shipping. Friday, May 29
Heat Exchanger, Pentair MasterTemp/Max-E-Therm 400, Nat./LP77707 0234 Heat Exchanger, Pentair MasterTemp Max E Therm 400, Nat. LP This tube sheet coil assembly kit is designed to use with Pentair MasterTemp pool and spa heater models 400NA, 400LP and also compatible with Pentair Sta Rite Max E Therm pool and spa heater model 400. It includes 400k BTU coil, silicone, o rings.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 317 reviews
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Verified Purchase
Cathy
Dallas, US
★★★★★ 5
Happy Customer
Size: Medium, Color: (001) Black / Black / White
Item was as describe, comfortable and stays in place thick but breathable ! I will order from this company again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
S
Verified Purchase
Sue M
West Palm Beach, US
★★★★★ 5
Love these socks
Size: Large, Color: (035) Steel / White / Black
Great quality socks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
K
Verified Purchase
Kendra
Houston, US
★★★★★ 4
Good quality
Size: Large, Color: (035) Steel / White / Black
These are a bit thicker then a compression sock and they come up higher on the ankle than a no-show sock normally does. They are very comfortable and soft.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
K
Verified Purchase
K
New York, US
★★★★★ 5
Good quality socks
Size: X-Large, Color: (001) Black / Black / White
Great value and great product and comfort. Not thin and wears well not like thin socks in a size that fits
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Reviewed in the United States on December 4, 2025
C
Verified Purchase
Cookie
Bozeman, US
★★★★★ 5
Socks
Size: Medium, Color: (001) Black / Black / White
Great price, perfect fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026

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