logo
Quick Order
Sign in
  • Brands
  • Branch Locations
  • Showrooms
  • Promotions
Shop
  • Locations
  • Showrooms
  • Promotions
  • Create an Account
Customer Service
  • Contact Us
  • FAQs
  • Returns
  • Credit Application
  • Billtrust Payments
Corporate
  • About Us
  • Careers
  • Subsidiaries
Divisions
  • Plumbing
  • Fire & Fabrication
  • HVAC
  • Municipal
  • Waterworks
Stay Connected
  • Facebook
  • LinkedIn
  • Instagram
  • Youtube
Don’t miss exclusive updates, expert tips, and special offers. Join our email list and make sure you never miss out!
  • Subscribe Now
  • Newsletter Signup
©2025 Etna Supply Company. All Rights Reserved.
  • Privacy Policy
  • Terms of Use
  • Home/
  • Furnace Accessories

Furnace Accessories

Furnace accessories boost efficiency, safety, and air quality while lowering energy costs.
Furnace Filters Image

Furnace Filters

Furnace Parts & Accessories Image

Furnace Parts & Accessories

LP Gas Conversion Kits Image

LP Gas Conversion Kits

Brand

Width

Type

Height

Accessory Type

Connection Type

Showing 16 of 82 Results

14"X20"X1" CLARCOR PANEL FILTER 5038901312

14"X20"X1" CLARCOR PANEL FILTER 5038901312

PN: 633564

What's the price?

Sign in or Register for Pricing and Inventory

14"X20"X1" XTremePlus STD PLT PNLXP-STD-14201585

14"X20"X1" XTremePlus STD PLT PNLXP-STD-14201585

PN: 633574

What's the price?

Sign in or Register for Pricing and Inventory

14"X24"X1" CLARCOR PANEL FILTER 5038901308

14"X24"X1" CLARCOR PANEL FILTER 5038901308

PN: 633577

What's the price?

Sign in or Register for Pricing and Inventory

14"X24"X1" XTremePlus STD PLT PNLXP-STD-14241585

14"X24"X1" XTremePlus STD PLT PNLXP-STD-14241585

PN: 633583

What's the price?

Sign in or Register for Pricing and Inventory

14"X25"X1" CLARCOR PANEL FILTER F312-STD-14251

14"X25"X1" CLARCOR PANEL FILTER F312-STD-14251

PN: 633589

What's the price?

Sign in or Register for Pricing and Inventory

14"X25"X1" XTremePlus STD PLT PNLXP-STD-14251730

14"X25"X1" XTremePlus STD PLT PNLXP-STD-14251730

PN: 633590

What's the price?

Sign in or Register for Pricing and Inventory

16"X16"X1" CLARCOR PANEL FILTER 5038901309

16"X16"X1" CLARCOR PANEL FILTER 5038901309

PN: 633592

What's the price?

Sign in or Register for Pricing and Inventory

16"X16"X1" XTremePlus STD PLT PNLXP-STD-16161530

16"X16"X1" XTremePlus STD PLT PNLXP-STD-16161530

PN: 633593

What's the price?

Sign in or Register for Pricing and Inventory

16"X20"X1" CLARCOR PANEL FILTER 5038901302

16"X20"X1" CLARCOR PANEL FILTER 5038901302

PN: 633600

What's the price?

Sign in or Register for Pricing and Inventory

16"X20"X1" XTremePlus STD PLT PNLXP-STD-16201665

16"X20"X1" XTremePlus STD PLT PNLXP-STD-16201665

PN: 633605

What's the price?

Sign in or Register for Pricing and Inventory

16"X24"X1" CLARCOR PANEL FILTER 5038901038

16"X24"X1" CLARCOR PANEL FILTER 5038901038

PN: 633607

What's the price?

Sign in or Register for Pricing and Inventory

16"X24"X1" XTremePlus STD PLT PNLXP-STD-16241800

16"X24"X1" XTremePlus STD PLT PNLXP-STD-16241800

PN: 633611

What's the price?

Sign in or Register for Pricing and Inventory

16"X25"X1" CLARCOR PANEL FILTER 5038901303

16"X25"X1" CLARCOR PANEL FILTER 5038901303

PN: 633613

What's the price?

Sign in or Register for Pricing and Inventory

16"X25"X1" XTremePlus STD PLT PNLXP-STD-16251835

16"X25"X1" XTremePlus STD PLT PNLXP-STD-16251835

PN: 633614

What's the price?

Sign in or Register for Pricing and Inventory

16"X25"X5" PLEATED MEDIA AIR FILTER M11, M1-1056

16"X25"X5" PLEATED MEDIA AIR FILTER M11, M1-1056

PN: 633629
UPC: 062437105611

What's the price?

Sign in or Register for Pricing and Inventory

2-1/5"X48"X75' DUCTWRAP FSK-.75#

2-1/5"X48"X75' DUCTWRAP FSK-.75#

PN: 659061
UPC: 99999659061

What's the price?

Sign in or Register for Pricing and Inventory

20"X25"X5" PLEATED MEDIA AIR FILTER M1

20"X25"X5" PLEATED MEDIA AIR FILTER M1

PN: 633627
UPC: 062437805610

What's the price?

Sign in or Register for Pricing and Inventory

35 WATER PANEL FILTER A35RPS

35 WATER PANEL FILTER A35RPS

PN: 633619
MPN: 35

What's the price?

Sign in or Register for Pricing and Inventory

ADEY FL1-03-02991

ADEY FL1-03-02991

PN: 543967
UPC: 60106371645
MPN: FL1-03-02991

What's the price?

Sign in or Register for Pricing and Inventory

APRILAIRE 10 A10RPS & HONEYWELL HE220 HC22A1007 WATER PANEL FILTER

APRILAIRE 10 A10RPS & HONEYWELL HE220 HC22A1007 WATER PANEL FILTER

PN: 633620
UPC: 085267181716

What's the price?

Sign in or Register for Pricing and Inventory

Burnham® 106687-01

Burnham® 106687-01

PN: 507926
UPC: 672616738563
MPN: 106687-01

What's the price?

Sign in or Register for Pricing and Inventory

Diversitech FB-1 Furnace Mounting Block

Diversitech FB-1 Furnace Mounting Block

PN: 876479
MPN: FB-1

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9306628017 Holder-C Shaft ASU** #HVAB

Fujitsu 9306628017 Holder-C Shaft ASU** #HVAB

PN: 865079
MPN: 9306628017

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9309994003 Gear A HVAB# Pom

Fujitsu 9309994003 Gear A HVAB# Pom

PN: 901240
MPN: 9309994003

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9316616004 Gear B LOUVERASU9~15RLS3

Fujitsu 9316616004 Gear B LOUVERASU9~15RLS3

PN: 901245
MPN: 9316616004

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9317507004 Link A ASU9~15RLS3

Fujitsu 9317507004 Link A ASU9~15RLS3

PN: 901238
MPN: 9317507004

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9318749007 Gear A Louver ASU9~15RLS3

Fujitsu 9318749007 Gear A Louver ASU9~15RLS3

PN: 901235
MPN: 9318749007

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9318750003 Cover Gear B ASU9~15RLS3

Fujitsu 9318750003 Cover Gear B ASU9~15RLS3

PN: 901244
MPN: 9318750003

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9319150000 Holder Louver Link ASU9~15RLS3

Fujitsu 9319150000 Holder Louver Link ASU9~15RLS3

PN: 901242
MPN: 9319150000

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9603253042 Motor DC Brushless ASU9~15RLS* MFD-W60XB2F FGLS

Fujitsu 9603253042 Motor DC Brushless ASU9~15RLS* MFD-W60XB2F FGLS

PN: 848493
MPN: 9603253042

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9900139230 Step Motor R And L ASU9~15RLS3

Fujitsu 9900139230 Step Motor R And L ASU9~15RLS3

PN: 900298
MPN: 9900139230

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9900384135 Step Motor Louver 9~15RLS3

Fujitsu 9900384135 Step Motor Louver 9~15RLS3

PN: 899678
MPN: 9900384135

What's the price?

Sign in or Register for Pricing and Inventory

Fujitsu 9900627003 Thermistor Assy Room/Pipe RLS*

Fujitsu 9900627003 Thermistor Assy Room/Pipe RLS*

PN: 901243
MPN: 9900627003

What's the price?

Sign in or Register for Pricing and Inventory

Honeywell AT175A1008

Honeywell AT175A1008

PN: 66350
UPC: 085267035507
MPN: AT175A1008

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL FC100A1029

HONEYWELL FC100A1029

PN: 633626
UPC: 085267210195

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL FC100A1037

HONEYWELL FC100A1037

PN: 633624
UPC: 085267210201

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL L4064B2210

HONEYWELL L4064B2210

PN: 642103
UPC: 8526700019

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL L4064B2228

HONEYWELL L4064B2228

PN: 548944
UPC: 8526700020

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL L4064B2236

HONEYWELL L4064B2236

PN: 642104
UPC: 8526700021

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL L8148A1017

HONEYWELL L8148A1017

PN: 447079
UPC: 8526705508

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL Q314U1001

HONEYWELL Q314U1001

PN: 642108
UPC: 8526734468

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL Q3200U2002

HONEYWELL Q3200U2002

PN: 646951
UPC: 8526757347

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL Q3400A1024

HONEYWELL Q3400A1024

PN: 565817
UPC: 8526778037

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL Q345U1005

HONEYWELL Q345U1005

PN: 642105
UPC: 8526743226

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL Q348U1009

HONEYWELL Q348U1009

PN: 642106
UPC: 8526746217

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL S9200U1000 U

HONEYWELL S9200U1000 U

PN: 646913
UPC: 8526731614

What's the price?

Sign in or Register for Pricing and Inventory

HONEYWELL VR8345M4302U

HONEYWELL VR8345M4302U

PN: 447804
UPC: 8526778011

What's the price?

Sign in or Register for Pricing and Inventory

HUMIDIFIER PAD W/ AGION COATING HE225

HUMIDIFIER PAD W/ AGION COATING HE225

PN: 633623
UPC: 085267208529

What's the price?

Sign in or Register for Pricing and Inventory

HUMIDIFIER WATER PANEL 318518-761

HUMIDIFIER WATER PANEL 318518-761

PN: 633616

What's the price?

Sign in or Register for Pricing and Inventory

JOMAR 102-303

JOMAR 102-303

PN: 379499
UPC: 99999379499

What's the price?

Sign in or Register for Pricing and Inventory

LOCHINVAR 100275546

LOCHINVAR 100275546

PN: 471519
MPN: 100275546

What's the price?

Sign in or Register for Pricing and Inventory

LOCHINVAR 100287126

LOCHINVAR 100287126

PN: 507710
MPN: 100287126

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100268040

Lochinvar® 100268040

PN: 390580
MPN: 100268040

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100268104

Lochinvar® 100268104

PN: 390582
MPN: 100268104

What's the price?

Sign in or Register for Pricing and Inventory

Lochinvar® 100268107

Lochinvar® 100268107

PN: 388014
MPN: 100268107

What's the price?

Sign in or Register for Pricing and Inventory

MIL-R 71023

MIL-R 71023

PN: 677779
UPC: 3809171023

What's the price?

Sign in or Register for Pricing and Inventory

MODINE 53080 Single Stage Natural Gas to LP Conversion Kit

MODINE 53080 Single Stage Natural Gas to LP Conversion Kit

PN: 826719
MPN: 53080

What's the price?

Sign in or Register for Pricing and Inventory

MODINE 53081 NG to LP Gas Conversion Kit for HD125 and HDS125 models

MODINE 53081 NG to LP Gas Conversion Kit for HD125 and HDS125 models

PN: 886312
MPN: 53081

What's the price?

Sign in or Register for Pricing and Inventory

MODINE 65946 NG to LP Gas Conversion Kit for PTC85

MODINE 65946 NG to LP Gas Conversion Kit for PTC85

PN: 861118
MPN: 65946

What's the price?

Sign in or Register for Pricing and Inventory

OMEGAFLEX FGP-RF90V-500

OMEGAFLEX FGP-RF90V-500

PN: 666863
UPC: 99999666863

What's the price?

Sign in or Register for Pricing and Inventory

1 - 60 of 82

Furnace Accessories enhance the efficiency and longevity of your heating system. This category includes essential components such as filters, thermostats, and venting kits, designed to optimize performance and ensure safety. Investing in quality accessories not only improves air quality but also reduces energy costs, making your home more comfortable and eco-friendly.