The legislation transfers oversight from the State Plumbing Board of Louisiana and lowers training requirements, prompting debate over the future of plumbing licensure and apprenticeship. […]
Air-to-water heat pumps are different from boilers. As the outdoor air temperature decreases, their heating output decreases. That’s a characteristic of all air-source heat pumps, and it runs opposite to how heating load changes with decreasing outdoor temperature.
The unit incorporates a three-pass fire-tube heat exchanger with 316L stainless steel condensing surfaces and full-penetration tube welds for long-term durability.