Dark mode
United Kingdom
Catalog   /   Climate, Heating, Water Heating   /   Heating & Boilers   /   Boilers   /   Rocterm

Rocterm RUBY TR2-B20 20 kW

Photos - Boiler Rocterm RUBY TR2-B20 20 kW
Photos 5
Expecting restock
Energy source: gas; Installation: wall; Type: dual-circuit (heating and DHW); Heating area (m²): 160; Heat output (kW): 20; Coolant min. T (°C): 30; Coolant max. T (°C): 80; DHW min. T (°C): 30; DHW max. T (°C): 55; Performance (ΔT=25 °C) (L/min): 10.4; Heated floor mode; Efficiency (%): 90.4
add to listmy lists
Rocterm RUBY TR2-B20 20 kW
20 kW
24 kW
Energy source:gas
Mount:wall, dual-circuit
Boiler power:20 kW, area ~ 160 m²
Combustion chamber:closed
DHW temperature:from 30 °С, up to 55 °С
All specifications
Specifications RUBY TR2-B20
Main
Energy sourcegas
Installationwall
Typedual-circuit (heating and DHW)
Heating area160 m²
Technical specs
Heat output20 kW
Power supply230 V
Coolant min. T30 °С
Coolant max. T80 °С
Heating circuit max. pressure3 bar
DHW circuit max. pressure8 bar
Consumer specs
DHW min. T30 °С
DHW max. T55 °С
Performance (ΔT=25°C)10.4 L/min
Performance (ΔT ~30 °C)8.6 L/min
"Summer" mode
Heated floor mode
Circulation pump
Boiler specs
Efficiency90.4 %
Combustion chamberclosed (turbocharged)
Max. gas consumption2.12 m³/h
Expansion vessel pressure6 bar
Connections
Mains water intake1/2"
DHW flow1/2"
Gas supply3/4"
Central heating flow3/4"
Central heating return3/4"
Safety
Safety systemsgas pressure drop
water overheating
flame loss
draft control
frost protection
More specs
Dimensions (HxWxD)720x420x mm
Weight30 kg
Added to E-Catalogmarch 2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"
Filters
Models
(energy source) 
gas 
Out of stock
TR2-B20