The Riello RL 44 T.C is an automatic monobloc forced-draught light oil burner with two-stage operation and a firing range of 155/235–485 kW. Its HCS housing-cooling system combines thermal insulation with circulating air around the electrical-component housing.
Product Specification
- Acoustically lined air intake and straight-blade centrifugal fan.
- Air damper positioned by an adjustable hydraulic actuator.
- Output-adjustable combustion head with a stainless-steel end cone, ignition electrodes and flame-stabilising disc.
- AN67C gear pump with a built-in filter, pressure regulator, pressure/vacuum gauge ports and a single-pipe conversion bypass.
- Oil valve assembly with one safety valve and two delivery valves.
- Photocell flame detection and RMO microprocessor burner control with diagnostic functions.
- On/off switch, manual stage selector and flame inspection window.
- Slide-bar access for installation and servicing; radio-interference filter.
- Electrical plugs and sockets accessible from outside the cover.
Electrical and Operating Data
- Power supply: 220–230 V, single-phase, 50/60 Hz; 400 V, three-phase, 50/60 Hz version.
- Auxiliary supply: 220–230 V, 50/60 Hz.
- Fan motor power: 0.42 kW, single-phase; 0.45 kW, three-phase.
- Total electrical input: 0.70 kW, single-phase; 0.75 kW, three-phase.
- Motor speed: 2,800 rpm.
- Electrical protection: IP44.
- Light oil viscosity: 4–6 mm²/s (cSt) at 20°C.
Standard Equipment
- Two flexible oil hoses with gaskets and two pump connection nipples.
- Four boiler-flange fixing screws and a thermal screen.
- Two electrical plugs for the single-phase version; three for the three-phase version.
- Installation, operation and maintenance manual; spare-parts catalogue.
Oil nozzles: ordered separately.

