Fröling S4 log boiler 15 to 60 kW

Output range: 15, 22, 28, 34, 40, 50, 60
Fuel: firewood logs (to 30% moisture content)
Certification: MCS, Hetas, Energy Technology List, Clean air exempt

The Fröling S4 is a top quality log boiler offering full automation at high efficiencies and excellent emissions performance.  The package includes auto ignition (option), lamda control, simple cleaning, smoke free loading and weather compensated heating controls for up to 18 heating circuits. Log chamber for 50cm logs. Optional SMS or remote PC control.






Fröling S4 Sales brochure

ET-5310 Fröling S4 Typical Layout and Clearance

ET-5350 Fröling S4 Design Data Sheet

ET-5340 Fröling S4 CAD Template

Fröling S4 Operating Instructions

Fröling S4 Lambdatronic P3200 Operating Instructions

pdf Wickwar Domestic House 40 kW case study

pdf Domestic House Surrey 28kW case study

 Swan Barn Farm 28kW case study 

pdf West Sussex Domestic House 28kW case study


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