Danfoss, Heater, models:

AME 335	Operating Manual
Akva Lux II VXe	Instructions For Installation And Use Manual
Akva Vita TDP-F	Instructions Manual
InLine	Manual
RA 2000	Datasheet
Termix HD MIX Compact 28	Installation Manual
Termix VVX Compact 28/18 - 7 BS-HC Series	Operating Manual
VM2	Installation Manual