


Watts 150 psi Automatic Air Vent Valve, Brass, 1/2 in Inlet - FV-4M1- 1/2
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Watts 150 psi Automatic Air Vent Valve, Brass, 1/2 in Inlet - FV-4M1- 1/2Provides 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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Your Watts 150 psi Automatic Air Vent Valve, Brass, 1/2 in Inlet - FV-4M1- 1/2 orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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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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Buy them. You won't regret it.
Size: 10 FT, Style: 0 (1/0) AWG RED
Thick, flexible, quality cable. Overkill for what I've got but man they flex like wet noodles easy to run.
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Quality.
Size: 15 FT, Style: 0 (1/0) AWG RED, Size: 15 FT, Style: 0 (1/0) AWG RED
If you’re reading this stop just get it.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
slightly smaller than sky high
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