The RW-504AB Lead-Free Brass Boiler Drain is engineered for high performance in plumbing and water management applications. This durable, lead-free valve offers an environmentally friendly and safe solution for connecting and draining water lines in residential and commercial systems.
Key Features:
- Lead-Free Construction: The valve is made from Lead-Free Brass (ASTM B927 C27450), ensuring it meets health and safety standards, including NSF/ANSI 61 & 372 certification for drinking water use.
- Durable Components: All parts, including the stem, body, and bonnet, are crafted from Lead-Free Brass, while critical sealing components use NSF-approved NBR 70SH seat gaskets and PTFE bonnet and packing gaskets.
- Reliable Performance: With a maximum temperature rating of 180°F and working pressure of 125 CWP, the valve performs under a variety of plumbing conditions. It is designed for connection with MNPT x Hose thread, as per ASME B1.20.1-NPT standards.
- No-Kink Spout: The design includes a no-kink spout that ensures efficient draining with minimal resistance.
- Versatile Size Options: Available in ½” and ¾” sizes, compatible with copper tube solder joints or threaded end fittings.
- Certified Safe: Compliant with both AB1953 and NSF/ANSI 61 & 372 for safe, potable water applications.
Applications:
The RW-504AB Lead-Free Brass Boiler Drain is ideal for use in residential and commercial systems requiring safe, reliable, and corrosion-resistant water drainage. It’s perfect for boilers, HVAC systems, and other plumbing systems requiring drainage and pressure regulation.
Certifications & Safety:
- NSF/ANSI 61 & 372 Certified: Safe for potable water.
- Lead-Free Construction: Meets AB1953 standards for lead-free materials.
Warning: This product can expose you to chemicals, including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Dimension
| Size | T | S [in] |
F | A [in] |
C [in] |
H [in] |
B [in] |
P [in] |
D [in] |
Wt. [lb] |
|---|---|---|---|---|---|---|---|---|---|---|
| ½” | ½ – 14NPT | 0.627 – 0.631 | ¾ 11.5NH | 1.46 | 0.61 | 3.43 | 2.09 | 0.51 | 0.47 | 0.44 |
| ¾” | ¾ – 14NPT | – | ¾ 11.5NH | 1.46 | 0.62 | 3.44 | 2.09 | 0.51 | 0.47 | 0.46 |
| Pressure Rating | Temperature Rating |
|---|---|
| 125 CWP | 180 °F max. temperature |
| Solder Used in Joint | Working Temp (°F) | Max. Working Pressure (PSI) |
|---|---|---|
| – | 100 | 500 |
| 95-5 Tin Antimony (ASTM B32 Grade 96TA) |
150 | 400 |
| – | 200 | 300 |
| – | 250 | 200 |
Material
| # | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | Lead Free Brass | ASTM B927 C27450 |
| 2 | Stem | Lead Free Brass | ASTM B927 C27450 |
| 3 | Seat gasket | NBR 70SH | NSF approved |
| 4 | Bonnet gasket | PTFE | – |
| 5 | Bonnet | Lead Free Brass | ASTM B927 C27450 |
| 6 | Packing ring | PTFE | – |
| 7 | Packing nut | Brass | ASTM B124 C37700 |
| 8 | Handwheel | Steel | – |
| 9 | Disc | Aluminum | – |
| 10 | Nut | Steel / Zn plated | ASTM A36 |
