All rechargeable dry chemical extinguishers are recharged for the following reasons: When the extinguisher has had any use, including partial discharge. When the pressure gauge is below (or above) the operable range. When extinguisher weight is below (or above) the allowable gross weight range on the nameplate.
Call FISERV Customer Service at this Number for good services. 1  Phone Number: 800-872-7882. 2  Call Time: Average Wait: Unknown â 24 hours, 7 days. 3  Talk to human: Direct to human.  For online help: FISERV Customer 1  Care. Company URL: http://www.fiserv. 2 com. useful tools &. number to call: call via  web.
Use the following DIRECTV phone numbers to contact the Answer Center for customer support: General Customer Service. 1-855-679-4357. Existing customers may call this number for general support from 8 a.m. to 1 a.m., 7 days a week. Technical Support. 1-855-679-4357. Technical support is available for existing customers 24 hours a day, 7 days a week. Customer Service for the Hearing Impaired. 1-800-779-4388 (with a TTY compatible device) Hearing-impaired customers can call this number for support if they have a TTY compatible device.