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Watts 150 psi Automatic Air Vent Valve, Brass, 3/4 in Inlet - FV-4M1- 3/4
Watts 150 psi Automatic Air Vent Valve, Brass, 3/4 in Inlet - FV-4M1- 3/4
Watts 150 psi Automatic Air Vent Valve, Brass, 3/4 in Inlet - FV-4M1- 3/4
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Watts 150 psi Automatic Air Vent Valve, Brass, 3/4 in Inlet - FV-4M1- 3/4

Marsoni M251S
Sale price$43.52
Pay 4 payments of $10.88 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Watts 150 psi Automatic Air Vent Valve, Brass, 3/4 in Inlet - FV-4M1- 3/4Provides automatic air venting for hot or cold water distribution systems, this WATTS automatic air vent valve,uses a float to actuate the valve plug which is located at the top of the valve. Once the air is displaced and the system pressure is sustained, the valve plug seals and prevents any water from escaping from the system. This valve can also purge air that may be in the water system. Model can be disassembled for maintenance.
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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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4.5 ★★★★★
Based on 1086 reviews
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Product Reviews
P
Verified Purchase
P
Lowell, US
★★★★★ 5
Lots of fun at dog park!
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
Great for dogs who love to run and chase tennis balls! This one works with any standard tennis ball and I was surprised when I found out the handle also has a little squeeze toy sound which my dog absolutely adores.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
Q
Verified Purchase
quality assurance tester
Fort Morgan, US
★★★★★ 5
Love this ball launcher! Just buy it!
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
These throwers are THE BOMB ! I've been using them for 4 years. The squeaker on it is a big hit at the dog park and with my dog. Gets dogs attention. Buy the squeaky chuckit balls to go with it. Easy to clean, holds up really well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
M
Verified Purchase
Mitchb25kv
Lexington, US
★★★★★ 5
No more slobber
Color: Blue Dog Ball Launcher, Size: One-Size
Works as described. Can throw a tennis ball a mile. Keeps the slobber off my hands.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
H
Verified Purchase
Hope Coman
Battle Creek, US
★★★★★ 4
Squeaker Pinches Hand
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
I toss balls 50-75 feet into the air. Works our my dog. I can actually throw a ball over 150 feet, so the dog gets a good workout. The squeaker is unnecessary and it does pinch my hand on a long toss.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
P
Verified Purchase
Patriot4Life
Phoenix, US
★★★★★ 5
Just as good as an actual Chuck-It
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
This is much cheaper than a Chuck It. And it’s just as good. My dog loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

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