A comment
I want to express my deep gratitude to BaltGaz for the invention of the Neva Lux 8618 gas boiler. Guys Thank you so much for the simple and reliable product! I live in the Rostov region. The boiler was purchased in October 2014 at a local store for 12,500 rubles, in exchange for the failed Zhitomir floor gas boiler. The serial number of my boiler is 003070, (without a light on the panel), apparently produced by Armavir Gas Equipment Plant LLC. It is already the fall of 2017 and the fourth season of operation is beginning. The boiler is installed in a house that is more than 50 years old, with an area of 51 sq.m. The walls of the house are printed (the so-called shingles), the thickness of the walls does not exceed 20 cm. They live constantly in the house. The heating system is made of a metal-plastic pipe with a diameter of 25 mm. The house has three rooms and a heated corridor. Radiators "Rifar" only 68 sections.
Although I live in the south of Russia, in winter, in January-February, the temperature drops to -25-27C, plus a strong wind. The boiler does its job perfectly! Even in the most severe frosts, the temperature of the boiler does not exceed 60 degrees and at the same time the heat in the house is 23-25C! There have been no problems with the boiler during the entire operation! The heat exchanger has never been cleaned, no leaks have been detected. All parts of the boiler are native, nothing has changed! A filter is installed on the boiler return. Which changes once a season. The pump runs at first speed. As for the position of the gas flow knob, two optimal positions were experimentally found, one for everyday work in winter, and the second for severe frosts. In this case, the flame power is below average, but the heat transfer, more precisely, the pump operating time is optimal.
The amount of gas burned for heating is difficult to calculate, since there is still a gas stove and gas column (shower), but the total amount of gas consumed per month did not exceed 350 cubic meters. I don’t know whether it is a lot or a little, but there was more with outdoor Zhytomyr. They say that the Neva Lux 8618 model was discontinued. If so, then it is a pity, the model was excellent, simple, safe and reliable, just what you need for a country house! In winter, when there is a power outage, the boiler is powered by a 6ST-60 car battery through the PN5-12-1500 Pure Sine converter, while the battery lasts for 8 hours. I want to once again thank the developers of this boiler model. Thanks you! (Photo upload failed, Sorry).
pros
Simplicity of design, which means reliability!