Rear Refractory PlugOEM Boiler Parts can supply a new refractory plug for the rear of your boiler. Our refractory plugs are manufactured to the exact specifications of the Kewanee Boiler Corporation because we own all the original engineering drawings.Just provide us with the model and sales order number of your Kewanee boiler and we'll do all the work.RefractoryOEM Boiler Parts stocks a large inventory of refractory bricks and tiles. Everything we produce is manufactured to the exact specifications of the Kewanee Boiler Corporation because we own all the original engineering drawings.Identifying the correct refractory for your boiler is easy. We have all the Kewanee records dating back to 1970.Refractory AdaptersOEM Boiler Parts manufactures genuine Kewanee refractory adapters. We own the original Kewanee engineering drawings and we are the only place that can offer you a refractory adapter made to the exact engineering specifications of the Kewanee Boiler Corporation.Identifying which refractory adapter you need is easy. All you need to do is provide us with the model and sales order number of your Kewanee boiler and burner.