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Lead-Free Brass Boiler Drain | RW-505AB Series | FNPT x Hose
$11.25
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Lead-Free Brass Boiler Drain | RW-505AB Series | FNPT × Hose
Red-White Valve’s RW-505AB Lead-Free Brass Boiler Drain offers a safe, durable, and certified solution for residential and commercial water systems. Constructed from ASTM B927 C27450 lead-free brass, this ECO-VALVE model ensures reliable performance and compliance with NSF/ANSI 61 & 372 and AB1953 standards for potable-water applications.
Key Features
- Lead-Free Brass Construction — Built from ASTM B927 C27450 brass, meeting NSF/ANSI 61 & 372 and AB1953 regulations for drinking-water safety.
- Durable, Heavy-Duty Design — Brass body, stem, and bonnet provide long-lasting corrosion resistance and structural integrity.
- FNPT × Hose Thread Connection — Precision machined to ASME B1.20.1-NPT for secure installation and leak-free connections.
- No-Kink Spout — Prevents hose restriction and promotes smooth drainage flow during operation.
- Reliable Sealing Components — Includes NBR 70 SH seat gasket and PTFE bonnet gasket for consistent, leak-proof sealing.
- Certified Safe — Fully compliant with the U.S. Drinking Water Act lead-free definition (< 0.25% lead content on wetted surfaces).
Pressure / Temperature Rating
| Pressure Rating | Max Temperature |
|---|---|
| 125 CWP | 180 °F max |
Dimension / Weight
| Size | T | F | A [in] | C [in] | H [in] | B [in] | P [in] | D [in] | Weight [lb] |
|---|---|---|---|---|---|---|---|---|---|
| ½″ | ½ – 14 NPT | ¾ – 11.5 NH | 1.46 | 0.61 | 3.23 | 2.09 | 0.51 | 0.47 | 0.42 |
| ¾″ | ¾ – 14 NPT | ¾ – 11.5 NH | 1.46 | 0.63 | 3.23 | 2.09 | 0.51 | 0.47 | 0.46 |
Material Construction
| # | Part | Material | Specification |
|---|---|---|---|
| 1 | Body | Lead-Free Brass | ASTM B927 C27450 |
| 2 | Stem | Lead-Free Brass | ASTM B927 C27450 |
| 3 | Seat Gasket | NBR 70 SH | 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 |
Warning (California Prop 65): This product can expose you to chemicals including lead, known to the State of California to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.