Search the catalog

Search the catalog

Related products

Building Supplies

Gutter Systems
Roofing
Ventilation
Siding
Concrete, Cement & Masonry
Ceilings
Drywall

Plumbing

Plumbing Tools
Plumbing Parts
Pipe & Fittings
Water Pumps
Valves
Plumbing Accessories
Drainage

Lighting & Electrical

Wiring Devices & Light Controls
Batteries
Electrical Boxes, Conduit & Fittings
Power Distribution
Wire
Wall Plates
Electrical Cords

Shop by Brand

Milwaukee
STIHL
DeWalt
YETI
Diablo
National Hardware
Rust-Oleum

© 2026 Core Ranger, Inc.

Armstrong Fluid Technology Hardware Kit S25 To… | Core Ranger

Home
Heating, Venting & Cooling
HVAC Supplies
HVAC Accessories

Armstrong Fluid Technology

SKU 810120-351K

Armstrong Fluid Technology Hardware Kit S25 To E17 810120-351K

$25.57$2557

The Armstrong Fluid Technology 810120-351K Hardware Kit includes gasket, gasket flange, capscrew, and nut for secure attachment of circulator components. It fits popular models like Astro 230CI, 230CI-R, 230SS, 250CI, 250CI-R, 250SS, Compass H 20-20CI, 20-20SS, and Compass R 20-35.

Specifications

Model #: 810120-351K
Pack Size: 1
Internet #: 700047082
Returnable: 90-Day
Store SKU #: 1015818766
HVAC Product Type: HVAC Part
Product Depth: 6.1 in
Product Width: 3.8 in
Product Height: 1.6 in
Product Weight: 1 lb
Manufacturer Warranty: 90 day parts warranty.
Brand/Model Compatibility: Armstrong Fluid Technology

Related products

Related products

Armstrong Fluid Technology Pump Impeller Standard S-25 812961-111K

Armstrong Fluid Technology

Armstrong Fluid Technology Pump Impeller Standard S-25 812961-111K$198.33^$198³³

Armstrong Fluid Technology Flange Gasket Kit S-25 & Stainless Steel Pump Models 816653-000

Armstrong Fluid Technology

Armstrong Fluid Technology Flange Gasket Kit S-25 & Stainless Steel Pump Models 816653-000$15.20^$15²⁰

Armstrong Fluid Technology E9.2B 120V 182202-660

Armstrong Fluid Technology

Armstrong Fluid Technology E9.2B 120V 182202-660$1,158.12^$1,158¹²

Armstrong Fluid Technology Armstrong 115 v 60HZ Water Circulating Pump Astro 290Ci 110223-328

Armstrong Fluid Technology

Armstrong Fluid Technology Armstrong 115 v 60HZ Water Circulating Pump Astro 290Ci 110223-328$671.53^$671⁵³

Armstrong Fluid Technology Armstrong 115 v 60HZ Water Circulating Pump Astro 250Ci 110223-307

Armstrong Fluid Technology

Armstrong Fluid Technology Armstrong 115 v 60HZ Water Circulating Pump Astro 250Ci 110223-307$269.18^$269¹⁸

Armstrong Fluid Technology Bearing Assembly Pump 4 Series 818404-000K

Armstrong Fluid Technology

Armstrong Fluid Technology Bearing Assembly Pump 4 Series 818404-000K$445.73^$445⁷³

Armstrong Fluid Technology Universal Pump Impeller 4.75" S-55/2B 816304-321K

Armstrong Fluid Technology

Armstrong Fluid Technology Universal Pump Impeller 4.75" S-55/2B 816304-321K$508.62^$508⁶²

Armstrong Fluid Technology Bearing Assembly 2/3 Series Pump 818234-000K

Armstrong Fluid Technology

Armstrong Fluid Technology Bearing Assembly 2/3 Series Pump 818234-000K$373.85^$373⁸⁵

Armstrong Fluid Technology 115V 60HZ Circulator Pump Wet Rotor Variable Speed Stainless Steel Compass H 20-20 Stainless Steel 180203-687

Armstrong Fluid Technology

Armstrong Fluid Technology 115V 60HZ Circulator Pump Wet Rotor Variable Speed Stainless Steel Compass H 20-20 Stainless Steel 180203-687$625.43^$625⁴³

Armstrong Fluid Technology E11.2 120V 182202-651

Armstrong Fluid Technology

Armstrong Fluid Technology E11.2 120V 182202-651$755.20^$755²⁰

Armstrong Fluid Technology 115V Circulator Pump Kit 1Ph 1/6HP Cast Iron S-35 174033MF-013

Armstrong Fluid Technology

Armstrong Fluid Technology 115V Circulator Pump Kit 1Ph 1/6HP Cast Iron S-35 174033MF-013$1,335.68^$1,335⁶⁸

Armstrong Fluid Technology 120V 60HZ Water Circulating Pump 1/8HP Model E10.2 182202-649

Armstrong Fluid Technology

Armstrong Fluid Technology 120V 60HZ Water Circulating Pump 1/8HP Model E10.2 182202-649$755.20^$755²⁰