These boilers can modulate down to 20% of full output and include Lochinvar’s ‘zero-governor’ sealed combustion, which allows fan speeds to constantly adjust to the volume of fuel/air entering the burner.
The heat exchanger is of stainless steel, and NOx emissions are lower than 30 ppm.
Control features include built-in cascade sequencing for up to eight boilers and an integral control for primary, system return and destratification pumps.
Flues can be conventional or concentric or twin-pipe balanced. All models are available for natural gas or LPG .
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Keywords: Lochinvar, Condensing boiler
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