Watts 0590723 Air Vent
The Watts 0590723 (also known as the FV-4M1 3/4) is a high-performance automatic air vent valve engineered for demanding commercial and residential hydronic heating systems. Designed to purge trapped air from hot or cold water distribution lines, this 3/4 inch NPT air vent features a rugged brass body and cover capable of handling system pressures up to 150 psi and operating temperatures reaching 240°F. Its high-temperature resistant polyethylene float and silicone rubber seal ensure a reliable shut-off when air is displaced, preventing fluid loss even in systems utilizing glycol. Whether used as a primary venting solution or an anti-vacuum device during system drainage, the Watts FV-4M1 auto vent maintains efficiency by allowing continuous air separation while fluid circulates. The vertical orientation and accessible brass cap allow for easy field maintenance, as the unit can be fully disassembled for inspection and cleaning to prevent debris-related failures in hydronic heating applications.
Key Benefits:- Durable Brass Construction: Heavy-duty brass body and cover provide long-term resilience in high-pressure 150# environments.
- Glycol System Compatibility: Equipped with a high-temperature polyethylene float designed specifically for hydronic water systems and glycol-based loops.
- Anti-Vacuum Functionality: Effectively serves as a vacuum breaker to permit air intake when the system needs to be drained.
- Advanced Sealing Technology: Features a silicone rubber seal that remains unaffected by standard system impurities, ensuring a leak-proof closure.
- Serviceable Design: Can be easily disassembled on-site for routine cleaning and inspection of internal components.
Can the Watts 0590723 be installed horizontally?
No, this automatic air vent must be mounted in a strictly vertical position to ensure the internal float operates correctly to actuate the valve plug.
Why is my air vent leaking water from the top cap?
Leaking usually occurs if debris is trapped in the valve seat or if the small vent cap is tightened too far. Ensure the cap is backed off two turns for proper venting and inspect the internal silicone seal for cleanliness.
Is this vent suitable for steam applications?
The Watts FV-4M1 is rated for hot water and hydronic systems up to 240°F. For high-pressure steam, verify that the system requirements do not exceed the 150 psi standard operating limit for this specific model.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Watts 0590723 Air Vent
The Watts 0590723 (also known as the FV-4M1 3/4) is a high-performance automatic air vent valve engineered for demanding commercial and residential hydronic heating systems. Designed to purge trapped air from hot or cold water distribution lines, this 3/4 inch NPT air vent features a rugged brass body and cover capable of handling system pressures up to 150 psi and operating temperatures reaching 240°F. Its high-temperature resistant polyethylene float and silicone rubber seal ensure a reliable shut-off when air is displaced, preventing fluid loss even in systems utilizing glycol. Whether used as a primary venting solution or an anti-vacuum device during system drainage, the Watts FV-4M1 auto vent maintains efficiency by allowing continuous air separation while fluid circulates. The vertical orientation and accessible brass cap allow for easy field maintenance, as the unit can be fully disassembled for inspection and cleaning to prevent debris-related failures in hydronic heating applications.
Key Benefits:- Durable Brass Construction: Heavy-duty brass body and cover provide long-term resilience in high-pressure 150# environments.
- Glycol System Compatibility: Equipped with a high-temperature polyethylene float designed specifically for hydronic water systems and glycol-based loops.
- Anti-Vacuum Functionality: Effectively serves as a vacuum breaker to permit air intake when the system needs to be drained.
- Advanced Sealing Technology: Features a silicone rubber seal that remains unaffected by standard system impurities, ensuring a leak-proof closure.
- Serviceable Design: Can be easily disassembled on-site for routine cleaning and inspection of internal components.
Can the Watts 0590723 be installed horizontally?
No, this automatic air vent must be mounted in a strictly vertical position to ensure the internal float operates correctly to actuate the valve plug.
Why is my air vent leaking water from the top cap?
Leaking usually occurs if debris is trapped in the valve seat or if the small vent cap is tightened too far. Ensure the cap is backed off two turns for proper venting and inspect the internal silicone seal for cleanliness.
Is this vent suitable for steam applications?
The Watts FV-4M1 is rated for hot water and hydronic systems up to 240°F. For high-pressure steam, verify that the system requirements do not exceed the 150 psi standard operating limit for this specific model.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
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Shipping & Returns
Description
The Watts 0590723 (also known as the FV-4M1 3/4) is a high-performance automatic air vent valve engineered for demanding commercial and residential hydronic heating systems. Designed to purge trapped air from hot or cold water distribution lines, this 3/4 inch NPT air vent features a rugged brass body and cover capable of handling system pressures up to 150 psi and operating temperatures reaching 240°F. Its high-temperature resistant polyethylene float and silicone rubber seal ensure a reliable shut-off when air is displaced, preventing fluid loss even in systems utilizing glycol. Whether used as a primary venting solution or an anti-vacuum device during system drainage, the Watts FV-4M1 auto vent maintains efficiency by allowing continuous air separation while fluid circulates. The vertical orientation and accessible brass cap allow for easy field maintenance, as the unit can be fully disassembled for inspection and cleaning to prevent debris-related failures in hydronic heating applications.
Key Benefits:- Durable Brass Construction: Heavy-duty brass body and cover provide long-term resilience in high-pressure 150# environments.
- Glycol System Compatibility: Equipped with a high-temperature polyethylene float designed specifically for hydronic water systems and glycol-based loops.
- Anti-Vacuum Functionality: Effectively serves as a vacuum breaker to permit air intake when the system needs to be drained.
- Advanced Sealing Technology: Features a silicone rubber seal that remains unaffected by standard system impurities, ensuring a leak-proof closure.
- Serviceable Design: Can be easily disassembled on-site for routine cleaning and inspection of internal components.
Can the Watts 0590723 be installed horizontally?
No, this automatic air vent must be mounted in a strictly vertical position to ensure the internal float operates correctly to actuate the valve plug.
Why is my air vent leaking water from the top cap?
Leaking usually occurs if debris is trapped in the valve seat or if the small vent cap is tightened too far. Ensure the cap is backed off two turns for proper venting and inspect the internal silicone seal for cleanliness.
Is this vent suitable for steam applications?
The Watts FV-4M1 is rated for hot water and hydronic systems up to 240°F. For high-pressure steam, verify that the system requirements do not exceed the 150 psi standard operating limit for this specific model.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
