﻿Tests confirm low NOx emissions of Glow-worm Ultracom boilers
Tests of Glow-worm’s Ultracom range of boilers have confirmed NOx emissions of less than 40 mg/kWh (Class 5), said to make it one of the best in its class. This range of domestic boilers includes combis, open-vent and system versions with outputs from 12 to 38 kW, according to type. They are SEDBUK A-rated. Features include a built-in digital programmer for controlling heating and hot water and a 5 s response to a demand for hot water form combi models. Heat exchangers are of stainless steel.