Tosoh Technical Support representatives are available 24 hours a day for system phone support to provide professional troubleshooting assistance and detailed
Tosoh System Information. 

Telephone:
(650) 615-4970
(800) 248-6764 US and Canada Only

Fax:
(877) 898-9883

Normal business hours:
6:00am - 5:00pm - PST - Monday - Friday (excluding national holidays)
Tosoh Technical Support Hotline available 24 hours/day, 7 days/week