Use and Care Manual
Installation Instructions and Owner’s Manual
Unvented LP-Gas Vent Free Room Heaters
17
For all models, Equipment shutoff valve with 1/8” NPT tap.
MHVFB20TB LP, MHVFB20T LP, MHVFB30TB LP, MHVFB30T LP, MHVFR20TB LP, MHVFR20T LP, 
MHVFR30TB LP, MHVFR30T LP • PARTS LIST
This list contains replacement parts used in your heater. When ordering parts, follow the instructions listed 
under Replacement Parts on page 20 of this manual.
ITEM   PART NO.   DESCRIPTION   QTY. 
   MHFR20 LP  MHFB20 LP   MHFR30 LP  MHFB30 LP       
1    70600    70600    70605     70605      Cabinet assembly        1 
1-1    70601     70601     70606    70606     Cabinet Top Panel       1 
1-2    70603     70603    70603    70603     Cabinet Right Panel       1 
1-3   70602      70602     70607    70607     Cabinet back Panel       1 
1-4    70704     70704     70704    70704     Cabinet Left Panel       1 
2    70608     70608     70609    70609     Lower Front panel assembly     1 
3   70742      70742    70744    70744     Reector Assembly       1 
4   70830     70633     70831    70635     Burner Assembly         1 
5    70636     70636     70636    70636     Wall Mounting Bracket       1 
6    70637      70637     70637     70637     Thermostat Valve Mounting bracket   1 
7    70821     70821    70822    70822     Bezel – Reector Front       1 
8    70828     70828     70828    70828     Thermostat Valve assembly     1 
9    70641     70641     70641    70641     Ignitor Module Mounting Bracket     1 
10   70682     70682     70682     70682    High Limit Switch       1 
11    70644     70644      70644    70644    Ignitor Module, Battery powered     1 
12  70825  –  --  –  Holder, Orice, Vent Free      3  
  --    --    70825    --              4
13    70357     70357     70357    70357    Pressure regulator       1 
14    ---      70646     ---    70648    Glass           1 
15    ---      70647     ---    70649    Glass Mounting Bracket       1 
16    70358      70358     70358    70358    ODS / Pilot Assembly       1 
17   –    70826  –    70826  Bracket, Burner, Mtg, Blue Flame    2
18    70650     ---      70652    ---    Gas Manifold         1 
20  70847    70847    70847    70847    Access Cover Plate      1
21    70655      ---     70655    ---    ODS mounting bracket       1 
22-1    70741      70741     70743    70743    Heat Shield – Top       1 
22-2    70745     70745      70745    70745    Heat Shield – Right       1 
22-3    70751     70753     70752    70754    Heat Shield – Back       1 
23    70663     70663      70663    70663    Regulator Mounting Bracket     1 
24    70664     70664      70664    70664    Control / ignitor cover       1 
25    70665     70665      70665    70665    Floor mount feet         2 
26    70666      70666      70667     70667    Grill guard         1 
27-1   —     —      70837     ---    Orice, 30, IR         4 
27-2   —     —     —     70843    Orice, 30, BF         1 
28-1  70839  –  –  –  Orice, 20, IR  3
28-2  –    70844    –    –    Orice, 20, BF        1 
29  70740    70740    70740    70740    Blower Assembly *not included on all units  1
30 –  –  –  –  –  –
31 –  –  –  –  –  –
32 –  –  –  –  –  –
33-1  70756    70756    70756    70756    Heat Shield – Left  1
35  70675    –    70676    –    Bracket, Top, Plenum Assembly    1
36  70675    –    70676    –    Bracket, Bottom, Plenum Assembly   1










