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.
Existing DIRECTV Customer Support. Existing DIRECTV customers can access DIRECTV customer service for general support from 8 a.m. to 12 a.m. ET and technical support 24 hours a day by dialing 1-800-531-5000. Hearing-Impaired Customers can call 1-800-779-4388 (compatible TTY equipment required).