Models sw 37-670 InstallatIon - operatIon - serVIce - MaIntenance - lIMIted warranty A DIVISION OF A. O. SMITH CORPORATION RENTON, WASHINGTON asMe place these InstructIons adjacent to BoIler and notIfy owner to keep for future reference. PRINTED 0110 316393-000 safe InstallatIon, use and serVIce safe InstallatIon, use and serVIce Your safety and the safety of others is extremely important in the installation, use, and servicing of this boiler. Many safety-related messages and instructions have b