We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Tuesday, Dec 31
£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates
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Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Item | Coupling, Rolled Tube Stop |
| Body Material | Wrot Copper |
| Connection Type | C x C |
| Max. Pressure | 293 psi@100 Degrees F |
| Outside Dia. | 4.125" |
| Temp. Range | -20 Degrees to 400 Degrees F |
| Tube Size | 4" |
| Ship weight (kg) | 0.99 |
| Ship height (cm) | 11.18 |
| Ship length (cm) | 11.68 |
| Ship width (cm) | 11.18 |
| HS code | 7412200045 |
| Country of Origin | US |
NIBCO 600RS 4 coupling, featuring a rolled tube stop, is tailored for the plumbing industry. It is used in water systems, fire sprinklers and general plumbing needs for a secure and reliable connection with a tight seal between two pipes.
A. First, ensure that the fitting is of the correct size and type for the application. Then, clean the pipe and fitting to remove any debris, dirt or other contamination. Next, apply flux to the pipe and fitting and then assemble them together. Finally, use a propane torch to heat the assembled fitting until the solder melts and the joint is properly sealed.
A. Regular maintenance, proper installation and adherence to usage guidelines will contribute to the fitting's longevity. Replace if signs of wear or corrosion appear.
A. Consider the compatibility of the fitting with your plumbing system. Check the size, material and pressure ratings to ensure a proper fit.
| Model | Max. Pressure | Outside Dia. | Tube Size | Price | |
|---|---|---|---|---|---|
| 600RS 5/8 | 631 psi@100 Degrees F | 3/4" | 5/8" | £3.35 | |
| 600RS 3 | 317 psi@100 Degrees F | 3.125" | 3" | £48.16 | |
| U600 1/8 | 912 psi@100 Degrees F | 1/4" | 1/8" | £1.22 | |
| U600RS 3/16 | 912 psi@100 Degrees F | 5/16" | 3/16" | £1.39 | |
| U600RS 1/4 | 912 psi@100 Degrees F | 3/8" | 1/4" | £1.09 | |
| U600RS 5/16 | 779 psi@100 Degrees F | 7/16" | 5/16" | £1.39 | |
| U600RS 3/8 | 779 psi@100 Degrees F | 1/2" | 3/8" | £1.31 |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+