NAVIEN RTD 735 81.4 kW

Outdated Product

Energy source: liquid fuel; Installation: floor; Type: dual-circuit (heating and DHW); Heating area (m²): 651; Heat output (kW): 81.4; Performance (ΔT=25 °C) (L/min): 46.7; Efficiency (%): 90.3; Combustion chamber: closed (turbocharged); Firebox size: Dimensions (mm): 1410x547x850; Weight (kg): 110

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NAVIEN RTD 735 81.4 kW

81.4 kW

116.2 kW

174.4 kW

232 kW

Energy source:liquid fuel

Mount:floor, dual-circuit

Boiler power:81.4 kW, area ~ 651 m²

Combustion chamber:closed, flue 148 mm

FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"

All specifications

Specifications RTD 735

Main
Energy source	liquid fuel
Installation	floor
Type	dual-circuit (heating and DHW)
Heating area	651 m²


Technical specs
Heat output	81.4 kW
Power supply	230 V
Power consumption	320 W
Heating circuit max. pressure	3.5 bar


Consumer specs
Performance (ΔT=25°C)	46.7 L/min
Performance (ΔT ~50 °C)	29 L/min
Circulation pump

Boiler specs
Efficiency	90.3 %
Combustion chamber	closed (turbocharged)
Flue diameter	148 mm
Heat exchanger	stainless steel


Connections
Mains water intake	3/4"
DHW flow	3/4"
Central heating flow	1 1/2"
Central heating return	1 1/2"


Safety
Safety systems	water overheating frost protection


More specs
Dimensions (HxWxD)	1410x547x850 mm
Weight	110 kg
Added to E-Catalog	march 2021

FAQ: 10 frequently asked questions about heating boilersAnswers to common questions in the section "heating boilers"

Information in model description is for reference purposes.
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