/
/
Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
CAD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Armstrong Fluid Technology
  4. /
  5. 4312
Parts Town Logo

1-Hour Pickup Available

get special offers & news from parts town

800.239.5152
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Fall Season! SHOP NOW

Call: 800.239.5152
Hvac Parts
TECHTOWN
Track My Order

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

Part Category

  • Bezels(1)
  • Filters, Screens & Driers(1)
  • Gaskets & Seals(16)
  • Panels, Covers & Lids(2)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Bezels(1)
  • Filters, Screens & Driers(1)
  • Gaskets & Seals(16)
  • Panels, Covers & Lids(2)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Model: 4312

Manuals Available: 2

Installation & Operation Manual

View Manual

Parts Manual

View Manual

Armstrong Fluid Technology 4312 Parts & Manuals

Armstrong Fluid Technology 4312 Parts & Manuals

Manufacturer:

Model #:

Armstrong Fluid Technology

4312

Design Envelope Vertical In-Line Twin Pump

Design Envelope Vertical In-Line Twin Pump

Armstrong Fluid Technology 8975002-334 Seal Kit, 1.625", Without Cover, AB2 C-SSC

Armstrong Fluid Technology
  • Mfr Part # 8975002-334
  • Parts Town # ARFT8975002-334
  • Quantity1

In Stock, Ships today

Armstrong Fluid Technology 8975002-304K Seal Kit, 1.125 AB2 C-SSC W/CVR

Armstrong Fluid Technology
  • Mfr Part # 8975002-304K
  • Parts Town # ARFT8975002-304K
  • Quantity6

In Stock, Ships today

Armstrong Fluid Technology 8426401-002 Gasket, Pump Casing, 7" OD x 6-1/4" ID x 1/16" Thick

Armstrong Fluid Technology
  • Mfr Part # 8426401-002
  • Parts Town # ARFT8426401-002
  • Quantity13

In Stock, Ships today

Armstrong Fluid Technology 8975002-374K Seal Kit, 2-1/8" with Cover & Hardware, AB2 C-SSC

Armstrong Fluid Technology
  • Mfr Part # 8975002-374K
  • Parts Town # ARFT8975002-374K
  • Quantity4

In Stock, Ships today

Armstrong Fluid Technology 8975002-374 Seal Kit, 2-1/8" with out Cover, AB2 C-SSC

Armstrong Fluid Technology
  • Mfr Part # 8975002-374
  • Parts Town # ARFT8975002-374
  • Quantity3

In Stock, Ships today

Armstrong Fluid Technology 8426401-004 Gasket, Pump Casing, 10-5/16" OD x 10-3/16" ID x 1/16" Thick

Armstrong Fluid Technology
  • Mfr Part # 8426401-004
  • Parts Town # ARFT8426401-004
  • Quantity26

In Stock, Ships today

Armstrong Fluid Technology 8426401-005 Gasket, Pump Casing, 13"

Armstrong Fluid Technology
  • Mfr Part # 8426401-005
  • Parts Town # ARFT8426401-005
  • Quantity2

In Stock, Ships today

Armstrong Fluid Technology 8975002-334K Seal Kit, 1.625, AB2 C-SSC with Cover

Armstrong Fluid Technology
Shipped & Sold by Encompass Canada
  • Mfr Part # 8975002-334K
  • Parts Town # ARFT8975002-334K
  • Quantity3

In Stock, Usually ships within 1 day

Armstrong Fluid Technology 8426401-003 Gasket, Pump Casing, 9" OD x 8-1/4" ID x 1/16" Thick

Armstrong Fluid Technology
  • Mfr Part # 8426401-003
  • Parts Town # ARFT8426401-003
  • Quantity15

In Stock, Ships today

Armstrong Fluid Technology 8975002-304 Seal Kit, 1.125", Without Cover, AB2 C-SSC

Armstrong Fluid Technology
  • Mfr Part # 8975002-304
  • Parts Town # ARFT8975002-304
  • Quantity1

In Stock, Ships today

Armstrong Fluid Technology 8426401-006 Gasket, Pump Casing, 12-5/16" OD x 11-9/16" ID x 1/16" Thick

Armstrong Fluid Technology
  • Mfr Part # 8426401-006
  • Parts Town # ARFT8426401-006
  • Quantity1

In Stock, Ships today

Armstrong Fluid Technology 8427732-000K Split Coupling Kit, 1-1/8" x 1-1/8"

Armstrong Fluid Technology
  • Mfr Part # 8427732-000K
  • Parts Town # ARFT8427732-000K
  • Quantity1

In Stock, Ships today

Armstrong Fluid Technology 880100-009 Screen Replacement Kit, DEPC

Armstrong Fluid Technology
  • Mfr Part # 880100-009
  • Parts Town # ARFT880100-009
  • Quantity2

In Stock, Ships today

Armstrong Fluid Technology 8426401-008 REP 426401-008 GASKET-CASING 15 F-NITRI

Armstrong Fluid Technology
  • Mfr Part # 8426401-008
  • Parts Town # ARFT8426401-008
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427731-000K KIT CPLG SPLIT 7/8X1-1/8 1.375

Armstrong Fluid Technology
  • Mfr Part # 8427731-000K
  • Parts Town # ARFT8427731-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427733-000K KIT CPLG SPLIT 1-3/8X1-1/8 2.0

Armstrong Fluid Technology
  • Mfr Part # 8427733-000K
  • Parts Town # ARFT8427733-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427734-000K KIT CPL SPLT 1-5/8X1-1/8 1.375

Armstrong Fluid Technology
  • Mfr Part # 8427734-000K
  • Parts Town # ARFT8427734-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427735-000K KIT CPL SPLIT 1-5/8X1-5/8 2.75

Armstrong Fluid Technology
  • Mfr Part # 8427735-000K
  • Parts Town # ARFT8427735-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427736-000K KIT CPL SPLT 1-7/8X1-5/8 1.375

Armstrong Fluid Technology
  • Mfr Part # 8427736-000K
  • Parts Town # ARFT8427736-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427737-000K KIT CPL SPLT 1-7/8X1-5/8 2.875

Armstrong Fluid Technology
  • Mfr Part # 8427737-000K
  • Parts Town # ARFT8427737-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427738-000K KIT CPL SPLT 2-1/8X1-5/8 1.375

Armstrong Fluid Technology
  • Mfr Part # 8427738-000K
  • Parts Town # ARFT8427738-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427739-000K KIT CPL SPLT 2-3/8X1-5/8 1.375

Armstrong Fluid Technology
  • Mfr Part # 8427739-000K
  • Parts Town # ARFT8427739-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427740-000K KIT CPL SPLT 2-1/8X1-5/8 2.375

Armstrong Fluid Technology
  • Mfr Part # 8427740-000K
  • Parts Town # ARFT8427740-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Armstrong Fluid Technology 8427865-000K KIT CPL SPLT 1-3/8X1-5/8 2.005

Armstrong Fluid Technology
  • Mfr Part # 8427865-000K
  • Parts Town # ARFT8427865-000K
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

123