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
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 | Double Check Valve Assembly |
| Backflow Preventer Type | Double Check Valve Assembly |
| Body Finish | Epoxy Coated |
| Body Material | Ductile Iron |
| Body Pattern | N Pattern |
| Disc Material | Silicone |
| Inlet Connection | Flanged Joint |
| Inlet Size | 4" |
| Max. Temp. | 140 Deg. F |
| Max. Working Pressure | 175 PSI |
| Min. Temp. | 33 Deg. F |
| Outlet Connection | Flanged Joint |
| Seat Material | Stainless Steel |
| Type | Kit |
Backflow Preventer Assy, N Pattern, 4 Inch Size
| Model | Inlet Size | Min. Temp. | Price | |
|---|---|---|---|---|
| LF870V-NRS-DC 3 | 3" | 33 Deg. F | £4,869.20 | RFQ
|
| LF870V-NRS-DC 2 1/2 | 2 1/2" | 33 Deg. F | £4,253.00 | RFQ
|
| LF870V-NRS-DC 4 | 4" | 33 Deg. F | £5,027.83 | RFQ
|
| LF870V-NRS-DC 6 | 6" | 33 Deg. F | £7,858.94 | RFQ
|
| LF870V-NRS-DC 8 | 8" | 33 Deg. F | £15,528.37 | RFQ
|
| LF870V-NRS-DC 10 | 10" | 33 Deg. F | £21,387.14 | RFQ
|
| LF870V-DNRS DC 2 1/2 | 2 1/2" | 33 Deg. F | £4,253.00 | RFQ
|
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+