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Pentair 2" Slip Half Union for Max-E-Therm Heaters (2-Pack) — Part 42001-0402

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Sale price$48.99
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Pentair 2" Slip Half Union for Max-E-Therm Heaters (2-Pack) — Part 42001-0402The Pentair 2 Inch Slip Half Union 42001 0402 is a factory spec replacement set built for Sta Rite Max E Therm pool and spa heaters. Packaged with two slip unions, two locking nuts, two couplers, and two O rings, this kit supplies every component required to establish a firm, drip proof bond between your heater and the surrounding plumbing. The union design enables quick disconnection and reconnection of the heater during servicing, component swaps,
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4.4 ★★★★★
Based on 1633 reviews
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Verified Purchase
MarkC
Chelsea, US
★★★★★ 5
Perfect fit, slid right into place and locked like it should
Size: AF943
Wanting to correct my previous review (I reviewed the incorrect item). This product fit perfectly in my vehicle- my apologies for the first review; perhaps Amazon or the vendor can replace the first review with this one. I am very pleased with this item.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
C
Verified Purchase
Carole R. NAPOLI
Whiting, US
★★★★★ 5
Great filter
Size: AF741
Fit out Toyota Prius V 2014 perfect. Well made too.
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Reviewed in the United States on May 26, 2026
D
Verified Purchase
Dave C
West Palm Beach, US
★★★★★ 5
Quality socket
Size: 27mm
Beefy socket, worked great for removing filter housing for 2004 Mini.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2024
J
Verified Purchase
Jonathan Gerber
Whiting, US
★★★★★ 5
Fits really well. Materials appear sturdy.
Size: 36mm
Fits my 05 Z4 prefect. Materials seem sturdy. Will probably last longer than the car.
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Reviewed in the United States on November 19, 2025
H
Verified Purchase
Hugh G Koch
Louisville, US
★★★★★ 5
A great socket.
Size: 27mm
Got it for a bmw oil filter housing. It does its job great.
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Reviewed in the United States on February 4, 2024

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