Refractory Stone Right for Solo Plus, Solo Innova, and Excel Boilers Boiler Controls 6 1¼" Sweat M 1¼"

6 1¼" Sweat M 1¼" NPTM 49" 18" 150

Replacement low limit aquastat for the Solo Plus (first generation)

1" ID Sweat

It is listed by Underwriters Laboratories Inc

Re-use the fasteners on the boiler

Refractory Stone Right for Solo Plus, Solo Innova, and Excel Boilers Boiler Controls 6 1¼" Sweat M 1¼"Replacement 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