Refractory Stone Left for Solo Plus, Solo Innova, and Excel Boilers Fan Remote bulb model may be

Remote bulb model may be used to sense air temperature in ducts and in outside air sensing applications

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Can also sense duct or outside air temperature

and Excel 2200 Draft Fan

Boiler high limit operating temperature aquastat for the Scandtec Solo Plus (second generation) and Bonus Plus boilers

Refractory Stone Left for Solo Plus, Solo Innova, and Excel Boilers Fan Remote bulb model may beReplacement refractory for the left combustion stone for all three piece design. Will fit in all Solo Plus, Solo Innova, and Excel boilers. Downloads Refractory Replacement Instructions Insert Refractory Replacement Front Refractory Removal Replacing Tunnel Stone Tunnel Stone Replacement Video Insert Stone Replacement Video .