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 Wednesday, Jan 1
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 Detector Assembly |
| Body Material | Stainless Steel |
| Body Pattern | Straight |
| Bypass Size | 3/4" |
| Cross Reference | 0112135 |
| Inlet Connection | Grooved Joint |
| Inlet Size | 4" |
| Max. Temp. | 140 Deg. F |
| Max. Working Pressure | 175 PSI |
| Meter Type | gpm |
| Min. Temp. | 33 Deg. F |
| Outlet Connection | Flanged Joint |
| Seat Material | Rubber |
| Type | Kit |
Double Check Valve Backflow Preventer Assembly, 4 Inch Size
| Model | Body Pattern | Inlet Connection | Inlet Size | Outlet Connection | Price | |
|---|---|---|---|---|---|---|
| C300-OSY-CFM 3 | - | - | - | - | £4,949.22 | RFQ
|
| C300-OSY-CFM 2 1/2 | - | - | - | - | £4,486.01 | RFQ
|
| C300-OSY-CFM 4 | - | - | - | - | £5,732.44 | RFQ
|
| C300-OSY-CFM 6 | - | - | - | - | £7,263.80 | RFQ
|
| C300-OSY-CFM 8 | - | - | - | - | £12,500.76 | RFQ
|
| C300-OSY-CFM 10 | - | - | - | - | £18,368.77 | RFQ
|
| C300-OSY-GPM 2 1/2 | - | - | - | - | £4,486.01 | 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+