That would depend on the current condition of the boiler, as well as how it is configured, how it was used, how it was serviced, and if records are available. Where are you located? Was a water softener used? Were water treatment chemicals used? Was it blown down regularlty? What condition are the tubes in? What condition is the cabinet in? Do you have pictures? What accessories come with it? Are you trying to sell this boiler? The warranty period for the tubes will have expired, so your best bet is to sell at wholesale to a reseller or for spare parts if you need to move it quickly. That is of course unless you already have a buyer in mind. It would cost around $5500 plus labor to replace the tubes if they were neglected. The last few questions are the most relevant questions. How long are you willing to sit on it and pay for storage? How ambitious are you about selling capital equipment? Once all of these questions have been answered, the final question is simply how much will your potential buyer be willing to pay? I may be interested myself once these questions have been answered, but I will not be willing to pay too much.
