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Marshall Excelsior Back Check Valve 1-1/4" MPT x 1-1/4" FPT Steel w/Bonded Soft Seat

Marsoni M251S
Sale price$140.40
Pay 4 payments of $35.10 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Marshall Excelsior Back Check Valve 1-1/4" MPT x 1-1/4" FPT Steel w/Bonded Soft SeatThe Marshall Excelsior Back Check Valve ME870SBN 10 is designed for high pressure liquid propane (LP Gas) and anhydrous ammonia (NH3) applications. This valve features a 1 1 4" Male Pipe Thread (MPT) x 1 1 4" Female Pipe Thread (FPT) connection and is rated for a flow rate of 61 GPM at a 10 PSIG pressure differential. Key Features: High Flow Rate: Up to 20% more flow than the nearest competitor. Dual Seating Capabilities: Factory installed O ring for
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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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4.6 ★★★★★
Based on 1940 reviews
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Verified Purchase
Cathy
Lowell, 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
Phoenix, 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
Bozeman, 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.
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Reviewed in the United States on February 10, 2026
K
Verified Purchase
K
Phoenix, 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
Chelsea, 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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