Armstrong 182212-645 E30.2 Cast Iron Circulating Pump

High-flow commercial heating systems can evaluate the Armstrong 182212-645 ARMflo E30.2 with dry-rotor technology, 120 V single-phase power, cast-iron construction, a 2-inch flanged connection, and listed maximum performance of 110 GPM at 32 feet.

The non-ferrous composite impeller and silicon-carbide mechanical seal provide specific component references for service and fluid review. A 230°F maximum operating temperature limits selection, while the 110 GPM and 32-foot figures remain maximum references rather than a guaranteed duty point.

Technical Specifications

- Dry-rotor technology identifies the motor arrangement for equipment comparison.
- 120 V single-phase operation supports electrical compatibility checks.
- Cast-iron construction provides the documented body material for hydronic service.
- Maximum flow is listed as 110 GPM, requiring comparison with actual demand.
- Maximum head is listed as 32 feet, providing an upper hydraulic reference.
- A 2-inch flanged connection establishes the piping fitment requirement.
- Silicon-carbide sealing and composite impeller materials support component review.

Hydraulic Performance and Application

The E30.2 is listed for high-flow commercial heating and large-building hydronic loops, with maximum flow of 110 GPM and maximum head of 32 feet. These values do not define simultaneous operation, and no exact efficiency or complete curve value is supplied for final duty selection.

Installation Requirements

Confirm 120 V single-phase power, 2-inch flange compatibility, fluid temperature below 230°F, seal-material suitability, flow direction, rotation, mounting orientation, and service clearance before commissioning. The maximum flow and head values should be compared with actual system resistance and required circulation conditions.

Warranty and Maintenance

Armstrong provides a 30-Month Limited Warranty from date of manufacture for circulators, covering material and workmanship defects under normal use and service. Improper installation, maintenance, misuse, alteration, negligence, abnormal additives, and normal wear are excluded. Mechanical-seal condition and impeller wear remain relevant inspection points. Mulmotor can assist with product details and order questions.