Danfoss logo
Forvarmere-product-category

Forvarmere

Danfoss preheaters ensure fast ignition, clean combustion, and reliable performance—optimizing burner efficiency while reducing emissions.

Product types shown: 2

  • FPHE 3 / FPHE 5 / FPHE 10 category image

    FPHE 3 / FPHE 5 / FPHE 10

    FPHE oil preheaters are designed for oil burners with capacity up to 12 kg/h using standard fuel oil with viscosity up to 10 cSt. The preheaters are available with different heating elements and thermostats for selection of release time and temperature.

  • FPHE 5 LE category image

    FPHE 5 LE

    FPHE-LE oil preheaters are special versions of the standard preheaters types FPHE 3 and 5 with built-in LE valve – a hydraulically operated diaphragm valve, which in combination with an LE-pump significantly reduces emissions during start and stop phases. The LE valve can also be used as a safety shut-off valve in accordance with DIN EN ISO 23553-1. FPHE-LE are designed for oil burners with capacity up to 6 kg/h using standard fuel oil with viscosity up to 10 cSt. They are available with different heating elements and thermostats for selection of release time and temperature.