15mm - 1/2" ENLARGER
Quick-connect stem adapter for connecting 1/2" OD tubing into 15mm push-fit sockets. NSF61 listed, lead-free, and suitable for plastic or copper tube. Ideal for water filtration and plumbing.
The John Guest NC2173 is a 1/2" stem to 15mm push-fit adapter, designed for connecting imperial 1/2" OD tubing into 15mm metric push-fit fittings. Made from high-grade grey acetal copolymer, this fitting offers quick, secure, and tool-free installation for a range of plumbing, filtration, and beverage applications.
Widely used in RO/DI systems, water softeners, drinks dispense, and OEM builds, it allows seamless integration between imperial and metric pipework. Compatible with both plastic and copper tubing.
Features & Benefits:
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✔️ For use with plastic or copper OD tubing
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✔️ Lead-free and food safe
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✔️ NSF-61 listed – certified for potable water
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✔️ Quick push-fit connection/disconnection
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✔️ Suitable for OEM, domestic, or commercial systems
Technical Specifications:
| Attribute | Specification |
|---|---|
| Stem Size | 1/2" OD (Imperial) |
| Push-Fit Tube Size | 15mm (Metric) |
| Body Material | Acetal Copolymer (Grey) |
| O-Ring Material | Nitrile (Food Grade) |
| Collet Teeth | Stainless Steel |
| Max Working Pressure | 150 psi @ 70°F (10.3 bar @ 21°C) |
| Max Temp Rating | 140°F @ 60 psi (60°C @ 4.1 bar) |
| Suitable For | Potable liquids, plastic or copper pipe |
| Standards | NSF61, FDA compliant materials |
| Weight | ~0.008 kg |
| Country of Origin | UK |
| Size | 15mm |
|---|---|
| Fitting Type | Enlarger |
