Gas Pressure Boiler
Weil McLain Ultra Series 2 Gas Fired Water Boiler Review
The Ultra Series 2 Gas Fired Boiler is equipped with the patented PhD technology from Weil McLain. The PhD stands for Precision Hydronic Data technology; this technology has a smart system that brings the PhD heating and hot water requirements, while bringing the most efficiency by determining the data parameters of your home heating system.
ASME Boiler and Pressure Vessel Code with Addenda
2 The ASME Boiler and Pressure Vessel Code (BPVC) establishes rules of safety governing the design, fabrication, and inspection of boilers and pressure vessels,