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4 Port Valve – Questions and Answers
When to choose a 4 Port Valve? How does this device work and what is it used for? Is it worth investing in an...
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3 Port Valve - Questions and Answers
How does a 3-port valve work, what is it used for, and how to install it? How can you identify malfunctions and...
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Three-way or four-way valve in a central heating system?
Today's post covers the differences between a three-way valve and a four-way valve. Find out which model works better...
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Four-way valve - knowledge compendium (construction, diagram, connection, control, types, settings, operating mechanism)
What is a four-way valve, and what is it used for? How is it constructed, and in which installations will it work...
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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?
The trend of replacing refrigerants in heat pumps and air conditioners with the new refrigerant - R32. What is it,...
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