The STW-C boiler series is a new 2021 series that meets the strictest certifications required for oil-fueled boilers. They are manufactured according to directives 811, 813, and EN 303 and EN 304, with high-strength and high-efficiency steel plates as well as Mannesmann tubes. They are protected with electrostatically painted covers for durability over time.
They are equipped with all the necessary operating and safety systems for safe performance and economy. The STW-C boiler series includes:
- Oil burner
- Steel boiler with vertical tubes
- High-efficiency INVERTER Erp circulator with stainless steel plate heat exchanger
- Three-way electric valve with flow switch
- Water pressure sensor
- Water pressure gauge
- Water pressure safety valve
- Water filling valve
- Heavy-duty closed expansion tank
- Mannesmann tubes
- Stainless steel flue gas retarders
- Complete electronic control panel
- Anti-freeze protection model TTW-C
- Electrostatically painted covers
- Insulation on the boiler and covers
OIL BOILERS STW-C TYPE STW-C 20, STW-C 30, STW-C 40
- Power kW 20 - 30 - 40
- Inverter ERP Circulator STW-C 3/4 - 3/4 - 3/4
- Expansion tank STW-C lt 8 - 8 - 8
- Connection fittings STW-C 3/4 - 3/4 - 3/4
- DHW supply (ΔΤ 25°C) STW-C lt/min 16.5 - 23.3 - 30
- Weight STW-C kg 100/105 - 105/110 - 125/130
- Width / Depth / Height STW-C mm 460/690/870 - 460/690/1065 - 510/720/1160
Optional extras:
- Single stainless steel balcony chimney Φ80
- Oil filter with preheating 1/2’’ (recommended for outdoor installation)
- Room thermostat with hot water command
- Electronic room thermostat with display and hot water command
- “e-logic” compensation with external sensor
- Product Number
- STW-C 20
Dimensions
- Nominal Power Output Rate
- 17200 kcal/h
- Placement
- Floor
- Material
- Steel
- Individual Unit
- Yes
- Condensation
- No
- Pyrolysis
- No
- Air Duct Boiler
- No
- with Burner
- No
Provision
- Petroleum
- Yes
- Gas
- No
- Of Wood
- No
- Pellet
- No
- Electric Current
- No
- Biomass
- No
Important information
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.