Women Owned Business Enterprise
RED-WHITE VALVE CORP.  |  SKU: 30077745  |  MPN: RW-505 3/4

Brass Boiler Drain | RW-505 Series | FNPT × Hose Thread | Brass Body | 125# CWP

$15.70
  • Brass Body Construction — Manufactured from ASTM B283 C37700 brass for excellent strength and corrosion resistance.
  • NSF-Approved Seals — NBR 70SH seat gasket and PTFE bonnet gasket ensure leak-free operation and compliance with safety standards.
  • FNPT × Hose Thread — Standard ASME B1.20.1-NPT connection for secure and easy installation with hose fittings.
  • No-Kink Spout — Designed to prevent hose bending or flow restriction during use.
  • Pressure Rated — 125# CWP rating supports reliable use in plumbing, boiler, and irrigation systems.
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Brass Boiler Drain | RW-505 Series | FNPT × Hose Thread | Brass Body | 125# CWP

Red-White Valve RW-505 Series brass boiler drains are built for long-term durability and leak-free operation in residential, commercial, and hydronic plumbing systems. Featuring a precision-machined brass body and no-kink spout, these valves deliver reliable water drainage and smooth flow. The FNPT × Hose Thread connection makes installation simple, providing a secure fit for standard hose attachments.

Key Features & Benefits

  • Heavy-Duty Brass Construction: Body and bonnet made from ASTM B283 C37700 brass for superior corrosion resistance and long-lasting strength.
  • NSF-Approved Gaskets: Equipped with NBR 70SH seat gasket and PTFE bonnet gasket for dependable sealing and safety compliance.
  • No-Kink Spout Design: Prevents hose tangling and ensures consistent, unrestricted water flow.
  • Threaded Connection: FNPT × Hose Thread (ASME B1.20.1-NPT) for easy and secure installation on a wide range of piping systems.
  • Pressure Rating: Rated for 125# CWP (Cold Working Pressure) for dependable use under high-pressure conditions.

Applications

  • Boiler and hydronic system drainage
  • Residential and commercial plumbing
  • Water heater and irrigation system maintenance

Dimensions & Weight

Size T F A [in] C [in] H [in] B [in] P [in] D [in] Wt. [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

# Part Material Specification
1 Body Brass ASTM B283 C37700
2 Stem Brass ASTM B124 C37700
3 Seat Gasket NBR 70SH NSF Approved
4 Bonnet Gasket PTFE -
5 Bonnet Brass ASTM B283 C37700
6 Packing Ring PTFE -
7 Packing Nut Brass ASTM B124 C37700
8 Handwheel Steel -
9 Disc Aluminum -
10 Nut Steel / Zn Plated ASTM A36

For complete specifications, refer to the Red-White Valve RW-505 datasheet.

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