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
Payment Methods
Delivery Partners
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 | Dual Check Valve |
| Compliance | NSF 372 |
| Connection Type | Npt |
| Length | 4.375" |
| Material | Lead Free Bronze |
| Max. Temp. | 180 Degrees F |
| Max. Water Pressure | 175 psi |
| Size | 3/4" |
| Ship weight (kg) | 0.63 |
| Ship height (cm) | 16.26 |
| Ship length (cm) | 25.15 |
| Ship width (cm) | 18.03 |
| HS code | 8481301090 |
| Country of Origin | US |
| Model | Connection Type | Length | Size | Price | |
|---|---|---|---|---|---|
| 4NLF3A22A | Npt | 3 21/64" | 3/8" | £83.47 | |
| 4NLF3S65A | SWV X NPT | 4.75" | 1" | £178.19 | |
| 4NLF3A22AC | - | - | - | £121.64 | |
| 4NLF3S65B | - | - | - | £316.78 |
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+