OEM replacement coupler for Armstrong H-51 and H-52 circulator pumps and equivalent Bell & Gossett models. Four-spring design with 1/2" x 1/2" shaft configuration for efficient power transfer between motor and bearing assembly. Cast iron construction dampens vibration and noise in residential hydronic heating systems.
Armstrong 810120-003 Coupler 1/2" x 1/2" Cast Iron
Armstrong Fluid Technology
$96.95
- SKU:
- 810120-003
Specifications
- Product Type:
- Pump Coupler
- Subcategory:
- Spring Coupler
- Application:
- Residential
- System Type:
- Boiler, Hydronic Heating
- Installation Type:
- OEM Replacement
- Material:
- Cast Iron