1. Seal any unused openings in the common venting system. 2. Visually inspect the venting system for proper size and horizontal pitch and determine there is no blockage or restriction, leakage, corrosion, and other deficiencies which could cause an unsafe condition. 3. Insofar as is practical, close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building. Turn on clothes d

These instructions must be affixed on or adjacent to the boiler. This symbol ® indicates a change since the last issue. MODEL BW3 A95465 Index Page SAFETY CONSIDERATIONS.....................................................................................................................................................................................2 INTRODUCTION........................................................................................................................................