On July 6, 2022 we will add in the functionality to set which deposit account is to be used when payments recorded in ServiceBox are transferred over to QuickBooks. This is an optional setting on the QuickBooks screen under Settings->Payments:
Setting this value will set the deposit account on payments seen here in the payment screen in QuickBooks Online:
Leaving the setting blank in ServiceBox will allow QuickBooks to use the default deposit account which is usually 'Undeposited Funds'.