Gas and High Altitude Conversion Kit Guide

Furnace Model Number

Furnace Description

Conversion Kits

High Altitude Orifice

High Altitude Kit with all required orifices

Natural Gas to LPG

LPG to Natural Gas

2001' - 4000' elevation

4001'-6000' elevation

6001'-8000' elevation

1403821

Direct-Vent Gravity 14,000 Btu/hr. LPG Furnace

 

8942

P090557

P090560

P090561

8A144

1403822

Direct-Vent Gravity 14,000 Btu/hr. Natural Gas Furnace

8939

 

P090551

P090553

P090553

8A141

2203821

Direct-Vent Gravity 22,000 Btu/hr. LPG Furnace

 

8943

P090555

P090556

P090556

8A145

2203822

Direct-Vent Gravity 22,000 Btu/hr. Natural Gas Furnace

8940

 

P090547

P090548

P090550

8A142

2509821

Monterey Plus 25,000 Btu/hr. LPG Top-Vent Furnace

 

8910

P090554

P090554

P090556

9A334

2509822

Monterey Plus 25,000 Btu/hr. Natural Gas Top-Vent Furnace

8907

 

P090544

P090546

P090548

9A331

3003821

Direct-Vent Gravity 30,000 Btu/hr. LPG Furnace

 

8942

P090553

P090553

P090554

8A146

3003822

Direct-Vent Gravity 30,000 Btu/hr. Natural Gas Furnace

8941

 

P090541

P090542

P090545

8A143

3508231

Forsaire Top-Vent Counterflow LPG 35,000 Btu/hr. Furnace Intermittent Ignition

 

7717

P332617

P090552

P090553

7A312

3508232

Forsaire Top-Vent Counterflow Natural Gas 35,000 Btu/hr. Furnace Intermittent Ignition

7716

 

P090538

P090540

P332618

7A311

3508631

Forsaire Top-Vent Counterflow LPG 35,000 Btu/hr. Furnace Standing Pilot

 

7719

P090551

P332619

P332623

7A314

3508632

Forsaire Top-Vent Counterflow Natural Gas 35,000 Btu/hr. Furnace Standing Pilot

7718

 

P090537

P090540

P090542

7A313

3509821

Monterey Plus 35,000 Btu/hr. LPG Top-Vent Furnace

 

8911

P090552

P090553

P090553

9A335

3509822

Monterey Plus 35,000 Btu/hr. Natural Gas Top-Vent Furnace

8908

 

P090538

P090540

P090543

9A332

4007331

Forsaire Direct-Vent Counterflow LPG 40,000 Btu/hr. Furnace Intermittent Ignition

 

7729

P090549

P090550

P090551

7A324

4007332

Forsaire Direct-Vent Counterflow Natural Gas 40,000 Btu/hr. Furnace Intermittent Ignition

7728

 

P090535

P090537

P090539

7A323

4007731

Forsaire Direct-Vent Counterflow LPG 40,000 Btu/hr. Furnace Standing Pilot

 

7729

P090549

P090550

P090551

7A324

4007732

Forsaire Direct-Vent Counterflow Natural Gas 40,000 Btu/hr. Furnace Standing Pilot

7728

 

P090535

P090537

P090539

7A323

5008631

Forsaire Top-Vent Counterflow LPG 50,000 Btu/hr. Furnace Standing Pilot

 

7721

P332624*

P090554*

P090555*

7A316

5008632

Forsaire Top-Vent Counterflow Natural Gas 50,000 Btu/hr. Furnace Standing Pilot

7720

 

P090543*

P090544*

P090546*

7A315

5009821

Monterey Plus 50,000 Btu/hr. LPG Top-Vent Furnace

 

8912

P090554*

P090555*

P090556*

9A336

5009822

Monterey Plus 50,000 Btu/hr. Natural Gas Top-Vent Furnace

8909

 

P090544*

P090545*

P090547*

9A333

5507331

Forsaire Direct-Vent Counterflow LPG 55,000 Btu/hr. Furnace Intermittent Ignition

 

7731

P090553*

P332624*

P090554*

7A326

5507332

Forsaire Direct-Vent Counterflow Natural Gas 55,000 Btu/hr. Furnace Intermittent Ign

7730

 

P090542*

P090543*

P090544*

7A325

5508231

Forsaire Top-Vent Counterflow LPG 55,000 Btu/hr. Furnace Intermittent Ignition

 

7723

P090553*

P332626*

P090555*

7A318

5508232

Forsaire Top-Vent Counterflow Natural Gas 55,000 Btu/hr. Furnace Intermittent Ignition

7722

 

P332625*

P090544*

P090546*

7A317

6007731

Forsaire Direct-Vent Counterflow LPG 60,000 Btu/hr. Furnace Standing Pilot

 

7733

P332627*

P332623*

P332628*

7A328

6007732

Forsaire Direct-Vent Counterflow Natural Gas 60,000 Btu/hr. Furnace Standing Pilot

7732

 

P090540*

P090542*

P090544*

7A327

6008831

Forsaire Top-Vent Counterflow LPG 60,000 Btu/hr. Furnace Standing Pilot

 

7725

P090552*

P090553*

P332627*

7A320

6008832

Forsaire Top-Vent Counterflow Natural Gas 60,000 Btu/hr. Furnace Standing Pilot

7724

 

P090541*

P090542*

P090544*

7A319

6508631

Forsaire Top-Vent Counterflow LPG 65,000 Btu/hr. Furnace Standing Pilot

 

7727

P332621*

P332627*

P332624*

7A322

6508632

Forsaire Top-Vent Counterflow Natural Gas 65,000 Btu/hr. Furnace Standing Pilot

7726

 

P090539*

P090541*

P332618*

7A321

2001621A

Room Console Heater - Enclosed Front 20,000 Btu/hr. LPG

 

8949

P501801

P501803

P322915

9A338

2001622A

Room Console Heater - Enclosed Front 20,000 Btu/hr. Natural Gas

8945

 

P501771

P501802

P501782

9A337

2509621A

Monterey 25,000 Btu/hr. LPG Top-Vent Furnace

 

8915

P090554

P090554

P090556

9A334

2509622A

Monterey 25,000 Btu/hr. Natural Gas Top-Vent Furnace

8913

 

P090544

P090546

P090548

9A331

3501521A

Room Console Heater - Enclosed Front 35,000 Btu/hr. LPG

 

8950

P500430

P500352

P500431

9A345

3501522A

Room Console Heater - Enclosed Front 35,000 Btu/hr. Natural Gas

8946

 

P500338

P500341

P500342

9A344

3501921A

Room Console Heater - Enclosed Front 35,000 Btu/hr. LPG with Blower

 

8950

P500430

P500352

P500431

9A345

3501922A

Room Console Heater - Enclosed Front 35,000 Btu/hr. Natural Gas with Blower

8946

 

P500338

P500341

P500342

9A344

3502521A

Room Console Heater - Fireplace Front 35,000 Btu/hr. LPG

 

8950

P500430

P500352

P500431

9A345

3502522A

Room Console Heater - Fireplace Front 35,000 Btu/hr. Natural Gas

8946

 

P500338

P500341

P500342

9A344

3502921A

Room Console Heater - Fireplace Front 35,000 Btu/hr. LPG with Blower

 

8950

P500430

P500352

P500431

9A345

3502922A

Room Console Heater - Fireplace Front 35,000 Btu/hr. Natural Gas with Blower

8946

 

P500338

P500341

P500342

9A344

3509621A

Monterey 35,000 Btu/hr. LPG Top-Vent Furnace

 

8916

P090552

P090553

P090553

9A335

3509622A

Monterey 35,000 Btu/hr. Natural Gas Top-Vent Furnace

8914

 

P090535

P090540

P090543

9A332

4505621A

Floor Furnace LPG 45,000 Btu/hr.

 

8955

P500348

P500350

P500351

9A377

4505622A

Floor Furnace Natural Gas 45,000 Btu/hr.

8953

 

P500332

P500335

P500336

9A375

5001521A

Room Console Heater - Enclosed Front 50,000 Btu/hr. LPG

 

8951

P500346

P500348

P500350

9A347

5001522A

Room Console Heater - Enclosed Front 50,000 Btu/hr. Natural Gas

8947

 

P500331

P500332

P500334

9A346

5001921A

Room Console Heater - Enclosed Front 50,000 Btu/hr. LPG with Blower

 

8951

P500346

P500348

P500350

9A347

5001922A

Room Console Heater - Enclosed Front 50,000 Btu/hr. Natural Gas with Blower

8947

 

P500331

P500332

P500334

9A346

5002521A

Room Console Heater - Fireplace Front 50,000 Btu/hr. LPG

 

8951

P500346

P500348

P500350

9A347

5002522A

Room Console Heater - Fireplace Front 50,000 Btu/hr. Natural Gas

8947

 

P500331

P500332

P500334

9A346

5002921A

Room Console Heater - Fireplace Front 50,000 Btu/hr. LPG with Blower

 

8951

P500346

P500348

P500350

9A347

5002922A

Room Console Heater - Fireplace Front 50,000 Btu/hr. Natural Gas with Blower

8947

 

P500331

P500332

P500334

9A346

5009621A

Monterey 50,000 Btu/hr. LPG Top-Vent Furnace

 

8912

P090554*

P090555*

P090556*

9A336

5009622A

Monterey 50,000 Btu/hr. Natural Gas Top-Vent Furnace

8909

 

P090544*

P090545*

P090547*

9A333

6005621A

Floor Furnace LPG 60,000 Btu/hr.

 

8956

P500344

P500345

P500347

9A385

6005622A

Floor Furnace Natural Gas 60,000 Btu/hr.

8954

 

P500362

P500364

P500365

9A382

6501521A

Room Console Heater - Enclosed Front 65,000 Btu/hr. LPG

 

8952

P500343

P500344

P500345

9A371

6501522A

Room Console Heater - Enclosed Front 65,000 Btu/hr. Natural Gas

8948

 

P500328

P500329

P500330

9A358

6501921A

Room Console Heater - Enclosed Front 65,000 Btu/hr. LPG with Blower

 

8952

P500343

P500344

P500345

9A371

6501922A

Room Console Heater - Enclosed Front 65,000 Btu/hr. Natural Gas with Blower

8948

 

P500328

P500329

P500330

9A358

6502521A

Room Console Heater - Fireplace Front 65,000 Btu/hr. LPG

 

8952

P500343

P500344

P500345

9A371

6502522A

Room Console Heater - Fireplace Front 65,000 Btu/hr. Natural Gas

8948

 

P500328

P500329

P500330

9A358

6502921A

Room Console Heater - Fireplace Front 65,000 Btu/hr. LPG with Blower

 

8952

P500343

P500344

P500345

9A371

6502922A

Room Console Heater - Fireplace Front 65,000 Btu/hr. Natural Gas with Blower

8948

 

P500328

P500329

P500330

9A358

*Please purchase two high altitude orifices for each furnace model you need to convert.