Armstrong 110108MF-717 Raypak 3 Boiler Header Pump

Description

Restore boiler circulation with Armstrong 110108MF-717 Raypak 3, a 3/4 HP replacement pump supplied without its volute. The high-flow, medium-head assembly is intended for primary boiler loops and header repair, especially where the existing casing can remain in service. Its compatibility references include Raypak, Laars, and Teledyne equipment. Confirm the volute, shaft length, impeller clearance, and mounting details before purchasing.

The single-phase motor accepts 115 or 208–230 V power and drives a 4-5/8-inch impeller through a stainless-steel shaft. A mechanical Viton seal supports the specified boiler-loop configuration, while the three-piece maintenance-free design reduces routine lubrication work. Flow rate, maximum head, amp draw, volute dimensions, and self-priming capability were not provided, so match the replacement to the existing pump curve and casing.

Key Features & Benefits

• 🔥 3/4 HP Motor: Supports primary boiler circulation in high-flow, medium-head applications.
• 🔌 115/208–230 V Power: Fits compatible single-phase systems for flexible replacement service.
• 🌀 4-5/8-Inch Impeller: Provides the specified rotating geometry for matched boiler performance.
• 🧱 Less-Volute Configuration: Keeps the replacement focused on the rotating assembly for reduced piping disruption.
• 🛡️ Stainless-Steel Shaft: Supports corrosion-conscious boiler service inside the pump assembly.
• 🔧 Mechanical Viton Seal: Helps contain the pumped fluid and support cleaner mechanical-room operation.

Why Choose Armstrong 110108MF-717 Raypak 3?

This Raypak 3 replacement suits boiler service work where the casing remains acceptable and the pump assembly needs renewal. That can shorten the repair, but the existing volute must match the replacement shaft and impeller geometry.

• Build: Stainless-steel shaft, Viton seal, and three-piece maintenance-free construction provide identified component details; motor enclosure information was not supplied.
• Value: Reusing a compatible volute may reduce labor, system drainage, and piping rework during scheduled boiler maintenance.
• Audience: Intended for boiler contractors, commercial heating technicians, property maintenance teams, and Raypak, Laars, or Teledyne service specialists.

Applications & Use Cases

Use Armstrong 110108MF-717 Raypak 3 for primary boiler loops and boiler-header replacement service where the existing volute remains suitable. Overall dimensions, unit weight, flange spacing, and port reach were not provided, so verify impeller clearance, casing fit, shaft length, bolt alignment, and electrical access before installation.

Warranty & Support

• 1-Year Limited Warranty, subject to Armstrong’s applicable terms, installation requirements, and authorized service procedures.
• Confirm the existing boiler pump matches the Raypak 3, Laars, or Teledyne application before purchase.

Shut down and drain the loop, inspect the reused volute for scale or erosion, clean the shaft seat, and replace damaged gaskets before assembly. Purge air after filling, check the Viton seal for weeping, and verify motor rotation, voltage, vibration, and temperature during startup. Purchase the Armstrong 110108MF-717 Raypak 3 boiler header pump less volute through the store domain associated with this listing for authentic equipment, 1-Year Limited Warranty coverage, and pump support.