Here at Van Marcke Plumbing Supply, we pride ourselves on showing our customers and vendors that we appreciate their contributions to our business. One way we do this is by providing after hours support for our customers. Please find below a list of our after hours contacts. If you need plumbing supplies after normal business hours, any Van Marcke employee on this list, if available, can open a store for you for $100.00. The holiday rate is $175.00.