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🔥 Keep your solar system air-free and running smooth — the smart vent for savvy pros!
The Caleffi250041A is a precision-engineered automatic air vent designed for closed-loop solar heating systems. Featuring a 1/2-inch NPT male connection and durable brass construction, it automatically releases trapped air during system filling to enhance efficiency and prevent damage. Compact and energy-efficient, this vent is a must-have for professionals seeking reliable, maintenance-free solar system performance.
| ASIN | B008V64UKQ |
| Best Sellers Rank | #913,591 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,456 in Air Tool Fittings |
| Brand | Caleffi |
| Brand Name | Caleffi |
| Color | Silver |
| Connector Type | NPT |
| Customer Reviews | 4.8 out of 5 stars 7 Reviews |
| Exterior Finish | Brass |
| Global Trade Identification Number | 08016615187458 |
| Item Dimensions | 3 x 3 x 7 inches |
| Item Weight | 0.7 Pounds |
| Item dimensions L x W x H | 3 x 3 x 7 inches |
| Manufacturer | Caleffi |
| Manufacturer Part Number | 250041A |
| Material | Brass |
| Material Type | Brass |
| Model Number | 250041A |
| Number of Pieces | 1 |
| Size | 0.5 inches |
| Thread Type | NPT |
| Unit Count | 1.0 Count |
C**T
Relief Valve
Worked Great for my hot water Solar pressure relief.
A**E
High quality
Caleffi quality is hard to beat. This solar air vent is built for the high temps of a solar thermal system, machining is perfect, included instructions are simple and appropriate.
F**O
got a lemon this time
These are normally good for solar, but I just had one leak water immediately upon installation. Potable water at 120Degrees F and 60 psi.
B**B
Expensive but works well for high temp applications
Well made part looks good and works. Great for solar applications
D**R
Works great.
I put this at the top of my Axeman fire flue wood stove pipe water heater to bleed off the air in the line. Works great.
A**O
Excellent
Very well made.Works perfectly
A**R
dear sir i need the below product description 1-Max working ...
dear sir i need the below product description 1-Max working pressure 2-max discharge pressure 3- temperature range 4-Max percentage of glycol regards
Trustpilot
1 month ago
1 month ago