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HYDRONIC NODE CALCULATOR FOR INSTALLERS · EN 12828 / EN 303-5 – Boiler room, pellet burner, heat pump, and hydronic node sizing per EN 12828 and EN 303-5 formulas (simplified engineering estimate, not an EN 12831 design) with direct equipment selection from our Kaunas warehouse.
Adjust heated building area, energy class, primary heat source, and operating pressure.
Need a custom boiler room schematic or B2B contractor pricing? Call +370 611 19158 or ask Vytautas AI.
Exact manufacturer SKU codes and live stock quantities in our Kaunas warehouse (Eigulių St. 21, LT-51418 Kaunas).
Megatherm MPB NANI 8–35 kW Pellet Burner Kit with Auger
HERZ Teplomix DN25 Return Anticondensation Mixing Valve
Gorenje ZV 100 L Buffer Tank (PN6 bar, G 3/4")
IMI Pneumatex Statico SD 25.3 Expansion Vessel with Airproof Bladder
Watts KSG 30 Safety Group (gauge, check valve, drain)
Wilo Yonos PICO 25/1-6 Electronic Circulation Pump
IMI TA STAD DN15 Balancing & Measuring Valve with Test Points
Danfoss RA 2990 Gas-Bellows Thermostatic Head
| Node Role / Product | SKU & Stock | Quantity | Total (incl. VAT) |
|---|---|---|---|
| 01. Automatic Pellet BurnerMegatherm MPB NANI 8–35 kW Pellet Burner Kit with Auger | MPB-NANI-35In stock in Kaunas: 6 pcs | 1 pcs | 1294,70 € |
| 03. Anticondensation Valve (55–61 °C)HERZ Teplomix DN25 Return Anticondensation Mixing Valve | 1776603In stock in Kaunas: 34 pcs | 1 pcs | 79,79 € |
| 04. Buffer Tank (cycle reduction)Gorenje ZV 100 L Buffer Tank (PN6 bar, G 3/4") | ZV 100In stock in Kaunas: 12 pcs | 8 pcs | 400,00 € |
| 05. Expansion Vessel (EN 12828)IMI Pneumatex Statico SD 25.3 Expansion Vessel with Airproof Bladder | 7101003In stock in Kaunas: 18 pcs | 1 pcs | 149,62 € |
| 06. Safety Group (3 bar)Watts KSG 30 Safety Group (gauge, check valve, drain) | 0270132In stock in Kaunas: 9 pcs | 1 pcs | Price on request |
| 07. Circulation PumpWilo Yonos PICO 25/1-6 Electronic Circulation Pump | 4248084In stock in Kaunas: 7 pcs | 1 pcs | Price on request |
| 08. Main Line BalancingIMI TA STAD DN15 Balancing & Measuring Valve with Test Points | 52-151-014In stock in Kaunas: 22 pcs | 1 pcs | 71,84 € |
| 09. Loop Thermostatic ControlDanfoss RA 2990 Gas-Bellows Thermostatic Head | 013G2990In stock in Kaunas: 48 pcs | 4 pcs | 41,26 € |
| Total node kit (4960,99 € · 4099,99 € excl. VAT) | 4960,99 € | ||
Estimate your Lithuanian LEA state grant when replacing an inefficient wood, coal, or fossil boiler with an A+++ Air-to-Water heat pump or 5th-class EcoDesign pellet boiler.
Calculated at the LEA fixed rate of 591.38 €/kW for this power band (up to 50% of device cost covered).
UAB "Gilės inžinerija" automatically includes all 5 technical parameters on GILE VAT invoices for the LEA application: