Armstrong 110116MF-302 H-53 LV Pump Less Volute

Primary circulation systems can evaluate the Armstrong 110116MF-302 H-53 LV less-volute assembly with a 1 HP single-phase motor, 115 or 208 to 230 V supply, ODP enclosure, and flexible coupler arrangement.

The supplied configuration identifies a non-ferrous impeller, standard Buna mechanical seal, optional Viton seal, and application in multi-zone commercial heating. Because this is a less-volute assembly, replacement planning must address existing volute compatibility, shaft fitment, coupler alignment, and operating conditions.

Key Features of Armstrong 110116MF-302

- The 1 HP motor establishes the listed power class for electrical coordination and replacement comparison.
- Single-phase operation supports the documented electrical configuration for compatible commercial mechanical rooms.
- The 115 or 208 to 230 V range requires confirming the available supply before connection.
- An ODP motor enclosure requires placement consistent with the equipment-room environmental conditions.
- The less-volute configuration requires existing volute compatibility before ordering a replacement assembly.
- A flexible Woods-style or spring coupler identifies the documented drive arrangement for service planning.
- Standard Buna and optional Viton seals provide different material references for fluid compatibility review.

Armstrong 110116MF-302 Hydraulic Performance

The supplied record lists primary circulation and multi-zone commercial heating, with maximum head dependent on flow. No exact pump curve, flow range, NPSH, pressure limit, temperature limit, or efficiency metric is provided, so the existing system duty must be compared with applicable Armstrong performance documentation.

Installation Requirements for Armstrong 110116MF-302

Verify motor voltage, single-phase wiring, ODP environmental conditions, coupler fitment, shaft alignment, existing volute compatibility, seal selection, and service clearance before installation. The less-volute format should not be treated as a complete standalone pump until the mating volute and connected system arrangement are confirmed.

Warranty and Service for Armstrong 110116MF-302

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. Seal selection and coupler condition remain relevant service checks. Mulmotor can assist with product details and order-related questions before purchase.