TOP-CHECK FEATURES
Mainline's Top-Check valve features a top suspended gate which stays forever clean. The clear lid & clenaout provide ease for visible inspections and sewer rodding. Manual sewer shut off provides owner option to manually close and flush their valve
HOW IT WORKS
NORMAL FLOW
Under normal flow, Top-Check valve gate is out of the sewage flow staying clean and requiring minimal maintenance
REVERSAL FLOW
During a backup, Top-Check floats automatically rise and close the gate stopping the flow of sewage
WHICH MODEL DO I CURRENTLY HAVE?
If your Mainline valve was installed between 1998 and 2020 then you currently have the ML-4963 model and are able to easily upgrade your valve. If you are not sure which model you have please email valveupgrade@outlook.com
TOP-CHECK INSTALLATION VIDEO
TOP-CHECK ALARM INSTALLATION VIDEO
INSTALLATION INSTRUCTIONS
ML-TCKIT
Mainline Top-Check Upgrade Kit
ML-TCALARM
Top-Check Alarm
QUESTIONS?
Any questions or concerns please call 780-413-7204 or email valveupgrade@outlook.com