Latest posts

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  Four-way valve - knowledge compendium (construction, diagram, connection, control, types, settings, operating mechanism)

  Posted in: Mixing valves, 3-way and 4-way valves

  2978 Views 2 Liked

  What is a four-way valve, and what is it used for? How is it constructed, and in which installations will it work best? When should you opt for a four-way valve with an actuator? Answers to these and other questions can be found in today’s post.

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  How does a three-way valve with an actuator work?

  Posted in: Mixing valves, 3-way and 4-way valves

  5393 Views 3 Liked

  What is a three-way valve with an actuator? How does it work and what is it used for? Why is it worth investing in, and what should you pay attention to when choosing a model? We answer these and many other questions about three-way valves with actuators in today's post!

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  Three-Way Valve - A Comprehensive Guide (Construction, Diagram, Connection, Control, Types, Settings, Mechanism of Operation)

  Posted in: Mixing valves, 3-way and 4-way valves

  4978 Views 5 Liked

  What is a three-way valve? How is it constructed, and what is its purpose? How do you connect and properly set it up? We will answer these and other questions in today's post. Additionally, we will discuss the control, operating mechanism, and the purpose of three-way valves with a thermostat. Stay tuned.

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  How do solar collectors work? DHW Solar system principle

  Posted in: Solar collectors

  1906 Views 4 Liked

  How do solar collectors work? What is their basic principle of operation? This guide covers the absolute basics for beginners, explained in simple and understandable language. If you're considering using the sun to heat domestic hot water, make sure to read this.

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  Metric Thread Table - How Many Millimeters is an Inch Thread and Others?

  Posted in: Others

  14773 Views 4 Liked

  The thread size in the hydraulic product you purchased doesn't match? Check the sizes of the individual threads so you can determine if you received the correct size.

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  Ban on gas heating in the EU? Is it true?

  Posted in: Others, Central heating boilers and everything related to them

  4460 Views 6 Liked

  Are the sensational reports about the gas heating ban issued by the EU true at all? From when would the ban on the installation of gas boilers come into effect? Who would be subject to such a ban?

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  Cogeneration - What is Combined Heat and Power? Where is CHP used?

  Posted in: Heat exchangers and everything related to them, Others

  1164 Views 2 Liked

  What is cogeneration? How does this process work, where can it be applied, and what are its benefits?

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  Open vented and sealed heating systems in central heating - the differences

  Posted in: Heat exchangers and everything related to them, Others, Central heating boilers and everything related to them

  2493 Views 6 Liked

  What is a sealed heaing system? What is an open vented system in central heating? What are the differences between them? Everything you need to know, explained simply.

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  What gas boiler for a 150m² house? We explain the required boiler power in kW.

  Posted in: Others, Central heating boilers and everything related to them

  1848 Views 3 Liked

  Find out how to choose a gas boiler for a house of approximately 150m² - how many kW should the gas boiler have to be effective? What else should be considered? How to size a condensing boiler for a new house and for an old house?

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  Gas boiler servicing - is it necessary?

  Posted in: Others, Central heating boilers and everything related to them

  971 Views 2 Liked

  Check the benefits of regular gas boiler servicing. Is gas boiler servicing necessary at all? What are the risks of not having it done?

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  Underfloor Heating in the Bathroom - Solution Analysis

  Posted in: Underfloor heating and everything about its operation

  1222 Views 4 Liked

  Technical analysis of the idea of installing underfloor heating in the bathroom. Is it always a good idea? When might it not work well? Will additional radiators, such as ladder-type radiators, be needed?

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  E. Coli Bacteria in Water - Problem Analysis. What to Do?

  Posted in: Water filtration and purification - CH, DHW, drinking water

  2548 Views 5 Liked

  Learn more about the issue of E. Coli bacteria in water, whether from a public water supply or a private well. Find out how to eliminate E. Coli bacteria and whether it is safe to use such water.

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  Heat Pump in an Old House – Is It Worth It?

  Posted in: Heat pumps and all aspects of their operation

  1534 Views 4 Liked

  Air source heat pump for an old house. Analysis of a question: Is It Worth Installing a Heat Pump in an Old House? with an Old Heating System? Will it work properly?

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  Types of Heat Pumps. Which Type of Heat Pump is the Best for Your Home?

  Posted in: Heat pumps and all aspects of their operation

  1550 Views 16 Liked

  There are various types of heat pumps available on the market. They differ based on the source from which they extract heat, which affects heating efficiency, costs, and overall profitability. Analyzing the basic types of heat pumps will help you understand which one to choose for your building, ensuring you avoid an unprofitable solution pushed by a Salesman.  

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  How does water underfloor heating work?

  Posted in: Underfloor heating and everything about its operation

  1324 Views 13 Liked

  Are you renovating your apartment or looking to build your dream home and considering installing underfloor heating? Do you want to know how water underfloor heating works? Let's see why heating in the floor is much better than traditional radiators.

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  Heat pump, air conditioning, refrigeration - brazing of heat exchangers, pipes, etc.

  Posted in: Heat exchangers and everything related to them, Refrigerants and heat exchangers for gas, Heat pumps and all aspects of their operation

  2081 Views 17 Liked

  Basic information on soldering / brazing as performed in the refrigeration industry, for devices using freon or refrigerants - such as air conditioners, heat pumps, and heat exchangers for these devices, condensers, etc.

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  Refrigerants - freon in a heat pump or air conditioner. How do they differ and what heat exchanger to use for them?

  Posted in: Refrigerants and heat exchangers for gas, Heat pumps and all aspects of their operation

  3226 Views 13 Liked

  The trend of replacing refrigerants in heat pumps and air conditioners with the new refrigerant - R32. What is it, where does it come from - how does it differ from older refrigerants like R134 or R410A? How to choose a heat exchanger for R32?

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  New plate heat exchanger - any cracks or signs of rust?

  Posted in: Heat exchangers and everything related to them

  971 Views 5 Liked

  You purchased a plate heat exchanger, received the shipment, and noticed rusty-colored lines or dots. Is it possible for a plate heat exchanger - constructed from stainless steel plates - to rust, even in the box, before coming into contact with water?

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