Πόσα χρόνια κρατάει ένας ηλιακός θερμοσίφωνας;

theofilos.d

August 31, 2026

31/08/2026

Solar Water Heater Maintenance: How Often Does It Need to Be Serviced?;

How often does a solar water heater need maintenance? Solar fluid, magnesium anode, valves, insulation, collector, heating element, and signs that immediate service is needed.

Πόσο ρεύμα καίει η αντίσταση του ηλιακού θερμοσίφωνα;

theofilos.d

Blog, Solar Water Heaters & Hot Water

August 31, 2026

31/08/2026

How much current does the heating element in a solar water heater draw?;

How much electricity does the solar heater's resistance draw? The formula is kW × hours; examples using a 4 kW system; the tank's thermal energy; and ways to reduce backup usage.

theofilos.d

Blog, Solar Water Heaters & Hot Water

August 31, 2026

31/08/2026

How long does a solar water heater last?;

How long does a solar water heater last? Tank, collector, corrosion, solar fluid, service—when should it be repaired, and when is it better to replace it?.

Πόσες ώρες πρέπει να δουλεύει η αντλία φίλτρανσης πισίνας;

theofilos.d

Blog, Swimming Pool & Equipment

August 31, 2026

31/08/2026

Αντλία θερμότητας πισίνας: Τι είναι και πώς λειτουργεί;

Τι είναι η αντλία θερμότητας πισίνας, πώς μεταφέρει θερμότητα από τον αέρα, γιατί χρειάζεται σωστή ροή και πόσο σημαντικό είναι το κάλυμμα.

Δοχείο διαστολής: Τι είναι και τι μέγεθος χρειάζεται;

theofilos.d

Blog, Hydraulic Systems & Tanks

August 31, 2026

31/08/2026

50L, 100L, or 200L buffer? Which size should I choose?;

50L vs. 100L vs. 200L Buffer: How much thermal energy does each size store? When is a small volumizer sufficient, and when is a large buffer unnecessary?.

Μαγνητικό φίλτρο στην αντλία θερμότητας: Χρειάζεται πραγματικά;

theofilos.d

Blog, Hydraulic Systems & Tanks

August 31, 2026

31/08/2026

Buffer vs υδραυλικός διαχωριστής: Ποια είναι η διαφορά;

Buffer vs hydraulic separator: thermal mass, minimum water volume, primary-secondary decoupling και πότε χρειάζεται 2-pipe volumiser ή 4-pipe buffer.

Duplex 2205 vs Inox 316L: Ποια είναι η διαφορά σε boiler και buffer;

theofilos.d

Blog, Hydraulic Systems & Tanks

August 31, 2026

31/08/2026

Boiler vs. Buffer: What’s the difference, and why are separate tanks needed?;

Boiler vs. Buffer: We clarify the difference between a DHW cylinder and a heating buffer, why they are not interchangeable, and how they coexist in a heat pump system.

theofilos.d

Blog, Hydraulic Systems & Tanks

August 31, 2026

31/08/2026

Stainless steel boiler or enameled boiler? Which one is better?;

Stainless steel or enameled boiler? Corrosion protection, magnesium anode, stainless steel grades, maintenance, and what to compare when choosing a heat-pump DHW system.

theofilos.d

Blog, Hydraulic Systems & Tanks

August 31, 2026

31/08/2026

Duplex 2205 vs Inox 316L: Ποια είναι η διαφορά σε boiler και buffer;

Duplex 2205 vs 316L: PRE, chloride pitting, stress-corrosion cracking, μηχανική αντοχή και γιατί η ποιότητα κατασκευής παραμένει εξίσου κρίσιμη.

theofilos.d

Blog, Hydraulic Systems & Tanks

August 31, 2026

31/08/2026

Magnetic Filter in a Heat Pump: Is It Really Necessary?;

Does a heat pump need a magnetic filter? Magnetite, old radiator system, dirt separation, flushing, and how to protect the plate heat exchanger and circulator.

Phone Support

Solar Water Heater Maintenance: How Often Does It Need to Be Serviced?;

How much current does the heating element in a solar water heater draw?;

How long does a solar water heater last?;

Αντλία θερμότητας πισίνας: Τι είναι και πώς λειτουργεί;

50L, 100L, or 200L buffer? Which size should I choose?;

Buffer vs υδραυλικός διαχωριστής: Ποια είναι η διαφορά;

Boiler vs. Buffer: What’s the difference, and why are separate tanks needed?;

Stainless steel boiler or enameled boiler? Which one is better?;

Duplex 2205 vs Inox 316L: Ποια είναι η διαφορά σε boiler και buffer;

Magnetic Filter in a Heat Pump: Is It Really Necessary?;

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