Water heater by pass valve. 3/8″ this will work on pex and polybutylene pipe. water heater by pass valve can pump anti freeze into the plumbing system without getting in to the heater.
Used To: Water Heater By-Pass Valve
Type: 3-Way
Inlet Attachment: PEX Barb
Inlet Size: 3/8 Inch
Outlet Attachment: PEX Barb
Outlet Size: 3/8 Inch
Material: Plastic
With Handle: Yes
With Mounting Hardware: No
Features
- 3 Way Water Heater Bypass Valve
- Provides High Quality Products From Flair-It ®, The Simplest And Most Reliable Fitting Connection
- High Quality At Affordable Price
- Installation Is Easy
Before You Order
Verify part number 16900 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 16900 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.



