
WarmflowSKU: HBWFUS70HE
Warmflow Agentis 21kW Internal System Heat Only Oil Boiler I21S
Product features:
- Patented high efficiency heat exchanger.
- ErP A rated efficency.
- Latest Riello low Nox technology burner.
- Factory fitted Grundfos UPM3 FLEX circulating pump.
- 3 bar safety valve fitted as standard.
Qty
WarmflowSKU: HBWFUS70HE
Warmflow Agentis 21kW Internal System Heat Only Oil Boiler I21S

Product features:
- Patented high efficiency heat exchanger.
- ErP A rated efficency.
- Latest Riello low Nox technology burner.
- Factory fitted Grundfos UPM3 FLEX circulating pump.
- 3 bar safety valve fitted as standard.
Qty
Internal, 21kW white heat only boiler, factory fitted Grundfos UPM3 FLEX AS pump, 12 litre expansion vessel, Riello low NOx burner.
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