18
Installation Instructions and Owner’s Manual
Unvented Natural Gas Vent Free Room Heaters
MODEL: MHVFRD20NGBT / MHVFRD20NGT
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
80098
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
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.
25