DOLL- heaters are constructed with the latest technical expertise and represent high quality manufactures in the world renown DOLL- perfection and safety.

Our product catalogue comprehends portable Devices for electrical  or gas operation

Being a German manufacturer we are offering you a German TÜV certified, safe and high quality device, audited according established national DIN-/ DVGW- standards and even certified for the upcoming European standardisation for liquid gas heaters. The devices have therefore been equipped with components and features for the latest regulations:

• 2 magnetic gas valves
  
  
• power switchable directly at heating device
  
  
• safety temperature limiter - inherently safe 
  
  
• hose-damage protection

For the manufacturing of type series GA 50 there are only applied high-grade components, which are all specially tested and chosen by specific criteria .

DOLL- heaters are constructed with the latest technical expertise and represent high quality manufactures in the world renown DOLL- perfection and safety.

Good combustion and solid workmanship have been focused systematically on this gas heater. The novel construction and layout of the high quality stainless-steel combustor and thereby resulting clean and stable combustion could presently be considered as an absolute specialty !

The type GA 50 is very user-friendly and built with hardly any need of servicing. All essential parts are well accessible and easily replaceable  in the case of servicing.