

💨 Keep your system flowing flawlessly—air out, performance in!
The RN Brass Solar Water Heater Pressure Release Automatic Air Exhaust Valve (25mm/1") is a high-quality brass vent valve engineered to automatically release trapped air in HVAC and solar water heating systems. Featuring a unique steam-water separation tray, it prevents water discharge during air release, eliminating the need to drain the system. Its durable brass construction and easy maintenance design make it an essential upgrade for professionals seeking efficient, noise-reducing, and reliable system performance.





















| ASIN | B08XK4NNFG |
| Best Sellers Rank | #60,693 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #23 in Heater Parts & Accessories |
| Brand | R. N. |
| Exterior Finish | Chrome,Brass |
| Generic Name | Angle Valve |
| Importer | Marketed Buy |
| Included Components | Valve |
| Inlet Connection Size | 0.5 Inches |
| Item Dimensions LxWxH | 26.4 x 25.6 x 9.1 Centimeters |
| Item Weight | 243 g |
| Item dimensions L x W x H | 26.4 x 25.6 x 9.1 Centimeters |
| Item model number | RNAV520025 |
| Manufacturer | MAHALAXMI VALVES PRIVATE LIMITED, MAHALAXMI VALVES PRIVATE LIMITED |
| Material | Brass |
| Net Quantity | 1 Count |
| Outlet Connection Type | Flange |
| Packer | MAHALAXMI VALVES PRIVATE LIMITED |
| Product Dimensions | 26.42 x 25.65 x 9.14 cm; 243 g |
| Specification Met | ISO |
V**Y
Good product
Excellent
G**Y
Best
Wry good product
Y**H
Good one
Good one,
K**S
Works properiy
The inner material used should be heavy
V**U
Good (I think)
I haven’t used the product yet
M**E
Used for solar water heater
I don’t observed air release. When I opened top cover I saw a white sheet covered with a very small hole. No manual attached with picture to understand its function. No contact number to get clarified
S**B
Good, fits perfectly fine in my solar water heater
Good product.
S**H
Faulty by Design. Don't buy
It does not function. I returned the first time thinking it was a one off faulty device. My technician also confirmed that. However even the replacement was the same. It is faulty by design. There is no route for the air to escape from the valve. Don't buy.
Trustpilot
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