1" & 1-1/2" Inline Non-Return Valve
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The 1" & 1-1/2" Inline Non-Return Valve is a simple in-line check valve designed to help maintain prime in a suction or discharge line. It’s built for use with manual or electric pumps and installs directly in the plumbing run.
Key Features
- Inline non-return (check) valve design for installation in suction or discharge lines
- Helps maintain prime by preventing backflow when the pump is off
- Works with manual or electric pump systems
- Hose sizing supports 1" and 1-1/2" ID hose connections
Intended Use
- Bilge and utility pump suction/discharge plumbing
- Manual or electric pump installations that use in-line hose connections
- Marine plumbing where backflow prevention is needed in a suction or discharge line
Product Details
- SKU: 698-LV1215
- Valve type: Inline non-return (check) valve
- Application: In-line suction or discharge plumbing
- Use with: Manual or electric pumps
- Hose: 1" and 1-1/2" (ID hose)
Parts Desk Insights
Best Use Case: Use this inline check valve in a suction or discharge hose run to help prevent backflow and support priming when the pump is turned off.
Common Issues: If you experience poor priming or unintended draining, confirm the valve is oriented correctly in the flow direction per the installation diagram, and verify the hose size matches the 1" / 1-1/2" stepped connection you’re using.
Related Products & Accessories
Browse related Fittings & Valves to complete the installation.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.