Fits all SG boilers

Includes: Pre-wired control panel with built in Aquasmart high limit, low water cut off, immersion well, 30 PSI relief valve, one 3/4 inch x 3 inch black nipple, one 3/4 inch BMI 90, 3/4 inch boiler drain, two 3/4 inch black plugs, and the Cera Fiber Pad for the floor of the combustion chamber