Deringer 2 1/2", 4", 6", and 8" MODEL40/MODEL40G/MODEL50 Relief Valve Rubber Rebuild
Fits MODEL40 · MODEL40G · MODEL50 Sizes 2 1/2" · 4" · 6" · 8"
Deringer BFD-1400 rebuilds the relief valve on 2 1/2, 4, 6 and 8 inch Model 40, Model 40G, Model 50 and Model 50G assemblies with a new diaphragm, piston assembly and O-ring.
Doing a full rebuild?See the parts that fit this device
Call (916) 251-7071 or send us a message.
How quotes work
- Add this part to your quote.
- Send the quote with your details.
- We email an estimate with price, lead time and shipping.
- Approve it to order. No charge until you do.
Shipping & returns
Your estimate shows the shipping cost or pickup option before you approve anything.
Pickup: 4487 Pacific St, Suite E, Rocklin, CA.
Returns: see our return policy.
Frequently Asked Questions
How do I know this is the right part?
How do I know this is the right part?
Check the brand, size and model on your device's tag against the details on this page. For backflow repair parts, our Repair Parts Finder lets you pick the brand, size and model and shows the parts listed for that device. Still not sure? Send us a message with what you are working on and we will help you check.
Why does this item say “Request a quote”?
Why does this item say “Request a quote”?
Some items are sold by quote, such as larger sizes, special orders and items that need special shipping. Add the item to your quote and send your details. We confirm availability, shipping and price, then email you an estimate to approve. Nothing is charged until you approve it.
Can I pick up my order instead of having it shipped?
Can I pick up my order instead of having it shipped?
Yes. You can pick up at our shop: 4487 Pacific Street, Unit E, Rocklin, CA 95677, Monday–Friday, 7am–4pm.
Do you offer accounts for contractors?
Do you offer accounts for contractors?
Yes. Approved business customers can buy on net terms and get a customer portal with their invoices and statements. Send us a message to set up an account.