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PARTS LIST

PLEASE NOTE:

USE ONLY MANUFACTURER'S REPLACEMENT PARTS. USE OF ANY OTHER PARTS COULD CAUSE INJURY 
OR DEATH.

 When ordering parts, it is very important that part number and description of part coincide

PART NAME

Vent Assy. (6” to 12” / 152.4 to 304.8 mm)

Combustion Chamber

Cover

Main Burner Assembly

Pilot Burner 

Vent Assy. (12” to 18” / 305 to 460 mm)

Wall Support Plate

Thermocouple

Gas Control Nat. Gas

Gas Control LP Gas

Piezo Igniter

Piezo Wire

Pilot Igniter Electrode

Gasket for Viewing Window

Mica for Viewing Window

Frame for Viewing Window

Mirror for Viewing Window

Pilot Tubing

Main Burner Tubing

Burner Bracket

Pilot Burner Gasket

Main Burner Gasket

Burner Orifice Natural

Burner Orifice LP Gas

Burner Orifices for 2000-4500 ft (610-

1370 m) altitude Nat. Gas

Burner Orifices for 2000-4500 ft (610-

1370 m) altitude LP. Gas

Pilot Burner Orifice Natural

Pilot Burner Orifice LP Gas

Minimum Rate Screw Nat.

Minimum Rate Screw LPG

Gas Valve Connection Kit

Page 14

PART  

MV 

130

SD43018500

SD430185B0

SD442202B0

SK00000048

SK00000051

SD44107500

SD44105800

SD44305500

SD44177000

SD44176900

SD44175800

SD44120800

SA00000263

SD44107002

SD44107100

SD44106900

SD44106801

SK00000053

SK00000054

SD44106100

SD44158001

SD44158102

SD44125500

SD44125200

SD443332C0

SD443332D0

SD44111300

SD44132400

SD44152900

SD44153000

SK00000055

PART  

MV 

145

SD43018400

SD430184B0

SD44326100

SK00000049

SK00000052

SD43107900

SD44105800

SD44305500

SD44177000

SD44176900

SD44175800

SD44120800

SA00000263

SD44107002

SD44107100

SD44106900

SD44106801

SK00000053

SK00000054

SD44106100

SD44158001

SD44158102

SD443215A0

SD443215B0

SD443215C0

SD443215D0

SD44111300

SD44132400

SD44152900

SD44153000

SK00000055

PART  

MV 

120

SD43019400

SD430194B0

SD44221800

SK00000047

SK00000050

SD44108300

SD44105800

SD44305500

SD44177000

SD44176900

SD44175800

SD44120800

SA00000263

SD44107002

SD44107100

SD44106900

SD44106801

SK00000053

SK00000054

SD44106100

SD44158001

SD44158102

SD44125400

SD44125700

SD443332A0

SD443332B0

SD44111300

SD44132400

SD44131900

SD44131600

SK00000055

No.

1a

1b

2

3

4

5

6

7

8a

8b

9

10

11

12

13

14

15

16

17

18

19

20

21a

21b

22a

22b

23a

23b

24a

24b

25

MV1XX-1-0603

Summary of Contents for MV 120

Page 1: ...ng Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier callthe fire department Installation and service must be performed by a qualified installer service agencyor thegassupplier This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other ga...

Page 2: ...duction Specifications Gas Supply Clearances Installation Instructions Lighting Instructions Pilot Flame Characteristics Main Burner Flame Characteristics Maintenance How to Order Repair Parts Parts List Parts View Troubleshooting PAGE 3 4 5 5 6 7 8 8 10 11 12 12 12 13 13 14 15 16 Page 2 MV1XX 1 0603 ...

Page 3: ... e n q u e e s t á i n s t al a d o e l a p a r a t o L a r o p au o t r o s m a t e r i a l e s i n f l a m a b l e s n o d e b e n c o l o c a r s e e n ci m a o c e r c a d e e s t e a p a r a t o C u a l q u i e rp a n t a l l a d e s e g u r i d a d o pa n e l q u e s e a r e t i r a d o p a r a r e a l i z a re l s e r v i c i o d e l e q u i p o de b e s e r r e i n s t a l a d o a n t e s ...

Page 4: ...odorlessand colorless You may not know all the following safety pre cautions which can protect both you and your family from an accident Read them carefully now then review them point by point with the members of your household Do not operate electric switches light matches use your phone Donotdoanythingthatcouldignitethegas Get everyone out of the building or area Do that IMMEDIATELY Closeall gas...

Page 5: ... Any alteration of the original design installed other than as shown in these instructions or use with a type of gas not shownontherating plate is theresponsibility of theperson andcompanymakingthechange Important Notice Always consult your local Building Department regarding regulations codes or ordinances which apply to the installation of adirectventwallfurnace 1 Installer must leave instructio...

Page 6: ...2 61kPa Propanegas models will have a manifold pressure approximately 10 0 w c 2 49kPa at the valve outlet with the inlet pressure to the valvefromaminimumof11 0 w c 2 739kPa forthepurpose of input adjustment to a maximum of 13 0 w c 3 237kPa A 1 8 3mm N P T plugged tapping accessible for test gauge connection islocatedontheoutletside ofthegascontrol LocatingGas Supply Recommended Gas Pipe Diamete...

Page 7: ...nter of theventcaptothe nearestoutsidecornerorobstruction is 16 407mm 5 The MV 120 MV 130 and MV 145 minimum wall depth is 4 1 2 114 mm and the maximum is 12 305 mm The Figure 3 Vent terminal clearances A A G C F L D E B A B C D E F G H I clearance above grade veranda porch deck or balcony clearance to window or door that may be opened clearance to permanently closed window vertical clearance to v...

Page 8: ...nttheunittobemounted A full scale template is furnished with the unit which illustrates the vent and gas supply openings and mounting holesintheir correctlocationsonthewall the figure 4 gives the required dimensions for mounting theunit intheeventthatthe templateisunusableorlost Place the template on the wall so that the vent opening will be located between the studs and in the case of the MV 130 ...

Page 9: ...comes through the wall It is not where you willcutthepipes It is very important that this be a clean straight cut for the heatertoperformproperly Remember to remove the vent assembly from the wall in ordertocut thetubes Installingtheventassemblyandwallsupportplate the indicated diameter in both walls and cut them Your hole will be about 1 to 2 26 to 52 mm depending on the unit model larger indiame...

Page 10: ...valve or at the gas meter or propane LPtankserving thebuilding Fixtheleaking jointand re testthejoints as directedabove Once the supply is checked and does not leak place the cover on the unit See Figure 10 Be sure the foam packing has been removed Secure the cover with the two nuts at the bottom of theunitwhich youhadremovedwhenunpacking eventualwaterfiltrationortheentranceofbugsisnecessary Press...

Page 11: ...he gas control knob counter clockwise to the PILOT position Depress the gas control knob and push in the Piezo igniter several times until the pilot is lit The pilot flame can be observed by looking down the inside of the heater jacket A small reflector on the right hand side near 1 Setthethermostatto lowestsetting 2 Openthe controlaccess panelonthetop rightside oftheunit 3 Turn the gas knob clock...

Page 12: ...in thesupplypipingleading to theappliance ifinstalled or at the gas meter or propane LP tank 3 Remove the two screws which hold the unit to the wall supportplateandliftandpulltheunitawayfromthewall 4 Carefully examine the interior of the vent pipes both large and small diameter If you notice any blockage or obstruction cleanthepipes 5 Look insidetheopenings of the rear oftheunitandcheckfor any for...

Page 13: ...ine with a soapy water solution Bubbles on any of the joints indicated a leak is present and must be repaired Turn OFF the gas to the unit when performing any repairs to the gas piping system After the pilot lines are checked turn the main burner ON and again check all joints in the piping system for leaks with soapy water Repair any joints which indicate a leak ispresent 12 While the main burner ...

Page 14: ...43018500 SD430185B0 SD442202B0 SK00000048 SK00000051 SD44107500 SD44105800 SD44305500 SD44177000 SD44176900 SD44175800 SD44120800 SA00000263 SD44107002 SD44107100 SD44106900 SD44106801 SK00000053 SK00000054 SD44106100 SD44158001 SD44158102 SD44125500 SD44125200 SD443332C0 SD443332D0 SD44111300 SD44132400 SD44152900 SD44153000 SK00000055 PART MV 145 N SD43018400 SD430184B0 SD44326100 SK00000049 SK0...

Page 15: ...Page 15 PARTS VIEW MV1XX 1 0603 ...

Page 16: ...ning thesmallbrassscrewonthelefthand fronttop of the gas control top plate Backing the screw out counterclockwise increases the pilot flame The pilot flame should contact the thermocouple tip but not excessively long SeeLightingInstructions the thermocouple is a standard 24 millivolt probe Check its effectiveness by removing it from the heater and attach a probe alligator clip to themagnetcontactb...

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