About Red Cap Plumbing For years Plumbing Solutions offered a higher level of plumbing knowledge and service we called Red Cap service. become Red Cap Plumbing We are fully licensed and insured. Red Cap Plumbing is on Angie's list and have also been servicing the Tampa Airport Marriott Hotel. Each of our technicians has a red cap. Since we take such pride in our work, if you are not completely satisfied with your service you can take the technicians red cap and we will buy this cap back for $100 credit on your next service. So give us a call and experience our friendly, honest and dependable plumbers in the Tampa area.