

⚡ Elevate your system’s safety with precision relief — don’t let pressure hold you back!
The Watts 0372271 530C is a 3/4" poppet style adjustable relief valve crafted from durable brass and bronze, featuring NPT threaded inlet and outlet for easy installation. Designed for commercial, residential, and industrial use, it offers precise pressure calibration up to 300 PSI to protect water, oil, and air systems from excessive pressure. Ideal for boiler and pump safety, this valve combines trusted materials and engineering for reliable, long-term performance.
| ASIN | B00EZH8AQA |
| ASIN | B00EZH8AQA |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #176,309 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,686 in Industrial Pipe Fittings |
| Customer Reviews | 4.1 4.1 out of 5 stars (41) |
| Customer reviews | 4.1 4.1 out of 5 stars (41) |
| Date First Available | 16 July 2022 |
| Date First Available | 16 July 2022 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 0.28 g |
| Item model number | 372271 |
| Item model number | 372271 |
| Manufacturer | Watts |
| Manufacturer | Watts |
| Material | Brass |
| Maximum Pressure | 300 Pound per Square Inch |
| Part number | 372271 |
| Product Dimensions | 9.65 x 5.84 x 3.81 cm; 0.28 g |
| Product Dimensions | 9.65 x 5.84 x 3.81 cm; 0.28 g |
| Specification met | asme approved |
K**S
Good quality product .
C**N
I am using a jaccuzi pump for irrigation, and needed a blow off type of pressure regulator. I ran from the output back to the input, and set the pressure to 75 PSI. seems to be working. Mark.
S**E
Nicely made but contains lead alloyed in the brass so risky?
E**E
Part as described easily installed.
D**K
A little over a year and it's still working fine
Trustpilot
3 days ago
1 week ago