usha, Heater, models:

CH 3408	Instruction Manual
FH 1212 PTC	Instruction Manual
FH 3112 PTC	Instruction Manual And Warranty Card
FH 3114 S	Instruction Manual
FH 3212 PTC	Instruction Manual
FH 3212-C	Instruction Manual
FH 3212-O	Instruction Manual
FH 3213-H	Instruction Manual
FH 423	Instruction Manual
HH 3303	Instruction Manual
OFR 3211F PTC	Instruction Manual
PH 3420 White	Instruction Manual
QH 3002	Instruction Manual
TFH LED	Instruction Manual