Dahl 621-01-04-PK2 1/2" Female Sweat or 1/2" MIP x Male Hose, Angle Hose/Boiler Drain Valve, LF, Brass (Pkg of 2)
A lead-free brass angle hose/boiler drain valve (2-pack) used to shut off or drain water and provide a male hose connection for draining, laundry/utility, and heating/plumbing applications.
Key Features:
- Valve type: Angle hose/boiler drain valve
- Material: Lead-free brass; finish: rough brass; lead free: yes
- Inlet connection options: 1/2" female solder (sweat) or 1/2" MIP; outlet connection: male hose
- Operation: plated handle
- Manufacturer notes: suitable for plumbing and heating applications; every valve is tested before leaving the factory
- Packaging: sold as a package of 2
Compatibility & Applications:
- Connection/size: 1/2" inlet (female sweat or 1/2" MIP) to male hose outlet
- Intended uses called out by the manufacturer: plumbing, heating, garden hose, laundry, washing machine, and draining applications
- Must only be used where the manufacturer specifies this exact part number: 621-01-04-PK2
Installation & Operation Notes:
- Installation should be performed by a qualified installer and follow local plumbing codes
- Follow manufacturer instructions:
- Turn off water supply, install product, turn on water supply, and check for leaks
- Do not expose the valve to corrosive agents
- NPT threaded connection: clean threads, apply pipe dope or PTFE tape, tighten while gripping the hex, and do not over-tighten
- Female solder connection: do not dismantle the valve; solder in the open position; clean/flux properly; do not reposition after soldering; allow to cool before operating
- Hose connection: tighten firmly and do not over-tighten
Maintenance & Troubleshooting:
- No routine maintenance procedures are specified beyond avoiding corrosive exposure and confirming proper installation
- If leakage occurs after installation, manufacturer guidance emphasizes:
- Re-check threaded sealing method (pipe dope/PTFE tape) and avoid over-tightening
- For solder installs, ensure proper prep/fluxing and do not disturb the joint after soldering
- Replace the valve if it is damaged or cannot be sealed/operated correctly per instructions
Certifications & Compliance:
- Certifications/listings shown by the manufacturer for this product: CSA; UPC; NSF/ANSI/CAN 372; NSF/ANSI/CAN 61 (Q<_0.5)
- Manufacturer also shows "USA Patent" in the certifications section
User Reviews & Q&A Summary:
- Common review theme: used as a direct replacement for leaking washer/laundry box shutoffs (including Oatey-style outlet box valves), with fit and function matching expectations
- Users frequently mention smooth operation (easy to turn on/off) and that the valves feel well-made
- Q&A highlights: the "$19" alternative is noted as not lead-free (this part is lead-free); inlet threads were answered as straight; and Dahl does not list a compression nut/washer accessory to convert it to a non-sweat install