Weil-McLain 88 Water and steam boilers — Series 2 — for Gas, Light Oil, & Gas/Light Oil-Fired Burners 4 Part No. 550-100-068/1018 Installation must comply with — 1. State, provincial and local plumbing, heating and electrical codes. 2. Regulations of servicing utilities. 3. ASME Section IV, Low Pressure Boiler and Pressure Vessel Code. 4.