Easy Radiant Works, Heater, models:

ED-40S	Operating Instructions Manual
ED-40U	Installation And Operating Instructions Manual Operating Instructions Manual
GH40N	Installation & Operating Instructions Manual
HI-30-40N2	Installation & Operating Instructions Manual
HI-30-40P2	Installation & Operating Instructions Manual
Middleman EZM-100-50	Installation & Operating Instructions Manual
Middleman EZM-90-40	Manual
Middleman EZUM-90-20	Installation & Operating Instructions Manual