It’s a perfect vacuum valve for rv black tank flush. Fix failed leaky rv vacuum breaker valve on black tank flush system line when black tank flush line system was blocked/faulty and leaking and wet rv camper trailer floor.
It’s a perfect vacuum valve for rv black tank flush. Fix failed leaky rv vacuum breaker valve on black tank flush system line when black tank flush line system was blocked/faulty and leaking and wet rv camper trailer floor.