Minimum Water Pressure of Replacement Check Valve/Vacuum Breaker A10-3050
Updated 02/17/2026 | Published 06/16/2024
Question:
I have one of these, and it wont open. My house water pressure is only 40 psi, and I read that the BandB equivalent needs at least 40 psi to open. What is the minimum opening pressure of your unit?
asked by: Jack R
0
Expert Reply:
Hello Jack,
The minimum opening water pressure of the Replacement Check Valve/Vacuum Breaker for Factory RV Tank Flushing Systems - 1/2" MPT # A10-3050 is 40 psi.
expert reply by:
Kyle S
0
Product Page this Question was Asked From
Replacement Check Valve/Vacuum Breaker for Factory RV Tank Flushing Systems - 1/2" MPT
- Accessories and Parts
- RV Water Inlets
- Check Valve
- Vacuum Breaker
- Valterra
more information >
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Robin H.
2/17/2026
Hey Jack, did the check valve start working once you confirmed your water pressure was at 40 psi? Knowing how it performed could help others trying to troubleshoot the same issue.