Armstrong 811757-002 Single Phase Circulator Pump Motor 3/4 HP 1725 RPM

The Armstrong 811757-002 is a single-phase resilient mount motor with a power rating of 3/4 HP, 115/208-230V, and 60 Hz frequency. This motor rotates in a clockwise direction at 1725 RPM and is UL-recognized and CSA-certified, making it an ideal replacement motor for Armstrong Series S and Series H circulator pumps used in hydronic heating systems.

Key Features:

• Permanently lubricated design that requires minimal maintenance
• Resilient mounting for long life and quiet operation
• Easily interchangeable with competing models
• Amperage: 8.8/4.5-4.4 amps
• Open Drip-Proof (ODP) motor design
• All bronze fitted construction

Compatible Models: Designed for use with Armstrong Series S-57, H-54, H-64, H-66, 1050 1-1/2B, 1050 2B, 1060 1-1/2D, 1060-2D models. Also compatible with Bell & Gossett series 6-14, 60-16, 60-18, and PD37 pumps.

Replacement Cross-References: This motor replaces Bell & Gossett part number 111047 and PDH1530Z-16. Also supersedes Armstrong part numbers 811777-002, 116641-002, and PWH-925-6Z-1296.

This genuine Armstrong replacement motor provides reliable performance for residential and commercial hydronic heating circulator pumps, ensuring efficient hot water circulation from boiler systems to radiators and heating zones.