Description
Overview
The Lochinvar & A.O. Smith 100287807 is a 1-1/2″ flanged wet rotor circulator pump engineered for dependable performance in hydronic heating systems. Wet rotor technology eliminates the need for external shaft seals and separate lubrication, delivering quieter, maintenance-friendly operation that stands up to the demands of commercial and residential boiler applications.
Key Features
- 1-1/2″ flanged connections for straightforward installation and secure system integration
- Wet rotor design — rotor and bearings are water-lubricated, eliminating mechanical seals and reducing maintenance requirements
- Engineered as an OEM-matched replacement for Lochinvar and A.O. Smith boiler systems
- Compact, inline configuration minimizes piping footprint
- Quiet operation suitable for both residential and light commercial hydronic heating applications
Applications
- Hydronic space heating systems
- Boiler circulation loops
- Radiant floor heating distribution
- Domestic hot water recirculation
Why Choose the 100287807
As a genuine Lochinvar & A.O. Smith OEM replacement pump, the 100287807 ensures compatibility and performance that aftermarket alternatives cannot guarantee. The wet rotor construction means the motor windings are cooled and the bearings are lubricated by the system fluid itself — resulting in longer service life, reduced noise, and virtually zero routine maintenance. The 1-1/2″ flanged end connections allow for quick removal and reinstallation, minimizing system downtime during service calls.
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