Manual
18
Installation Instructions and Owner’s Manual
Unvented LP-Gas Vent Free Room Heaters
MODEL: MHVFRD20TB LP / MHVFRD20T LP
ITEM P/N PART DESCRIPTION QTY ITEM P/N PART DESCRIPTION QTY
1 80094 Wire Guard 1 14 80010 Thermostat Mounting Bracket 1
2 80096 Front Panel 1 15 80067 Back Heat Shield 1
3 80086 Reflector 1 16 80058 Floor Mounting Feet 1
4 80057 ODS Assembly w/ Thermocouple (NG) 1 17 80097 Back Panel 1
5 80032 ODS Bottom Bracket 1 18 80037 Wall Mounting Bracket 1
6 80108 Burner Assembly 1 19 80090 Heat Shield Reflector 1
7 80079 Gas Input Elbow Adapter 1 20 80110 Fan Assembly 1
8 80107 Regulator 1 21 80011 Ignitor Module Mounting Bracket 1
9 80021 Regulator Connection 1 22 80019 Ignitor Pulse 1
10 80055 Regulator Mounting Bracket 1 23 80014 Ignitor Wire 1
11 80009 Orifice 1 24 80013 High Limit Switch (Fan) 1
12 80021 Bracket Plenum Assembly 1 25 80049 Fan Switch 1
13 80081 Thermostat Valve 1 ** 70342 Hardware Kit (not shown) 1
Blower not
included on all
units
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
PARTS LIST AND DIAGRAM
WARNING: Failure to position the parts in accordance with these diagrams or failure to use only parts specifi cally approved with this heater
may result in property damage or personal injury.