Armstrong H-52-1 Bronze Centrifugal Pump 1/3HP 1PH

Circulate potable water with Armstrong 116436MF-133 H-52-1, a 1/3 HP single-phase All-Bronze pump for high-head domestic hot-water loops. Its 115 V motor, non-ferrous impeller, and lead-free construction suit compatible open systems where wetted materials matter. The 1-1/2-inch flanged connection provides a useful replacement reference, while the 175 psi and 225°F ratings define the supplied operating limits.

The maintenance-free Sealed Bearing Assembly supports the rotating components without routine lubrication, and the bronze body is intended for potable-water circulation. Flow, head, amp draw, dimensions, weight, shaft details, and seal specifications were not supplied. Confirm the system curve, water temperature, flange spacing, valve clearance, and service access before installation.

Key Features & Benefits

- 1/3 HP Motor: Supports high-head domestic hot-water and potable-water circulation.
- 115 V Single-Phase: Fits compatible US service panels for straightforward installation.
- All-Bronze Body: Provides the specified wetted material for open-system service.
- Non-Ferrous Impeller: Supports material compatibility in potable-water circulation.
- 1-1/2-Inch Flanged Connection: Helps contractors verify replacement piping compatibility.
- Maintenance-Free SBA: Reduces routine bearing service during normal operation.
- 175 psi Maximum Pressure: Establishes the supplied pressure limit for compatible systems.
- 225°F Maximum Temperature: Defines the listed operating limit for compatible heating applications.

Why Choose Armstrong 116436MF-133 H-52-1

The H-52-1 combines single-phase power, All-Bronze construction, and maintenance-free bearing support for potable-water and domestic hot-water circulation.

- Build: Bronze body, non-ferrous impeller, mechanical seal, and sealed bearing assembly define the supplied arrangement.
- Value: Maintenance-free bearing construction can reduce routine service work in compatible circulation systems.
- Audience: Suited to plumbing contractors, hotel engineers, apartment maintenance teams, and commercial DHW installers.

Applications & Use Cases

Use Armstrong 116436MF-133 H-52-1 for potable-water circulation, high-head domestic hot-water loops, and compatible 1-1/2-inch flanged systems. The supplied data does not provide overall dimensions, unit weight, or port-to-port reach, so verify pipe support, valve clearance, electrical access, and service space before installation.

Warranty & Support

- Warranty Terms Require Confirmation: Verify duration, coverage, registration, exclusions, and authorized service requirements with Armstrong or the seller.
- Match SKU 116436MF-133, H-52-1 model, 1/3 HP rating, 115 V supply, bronze body, and flange details before ordering.

Flush the line, purge air, verify the 115 V supply, inspect the seal and flange areas, and monitor flow, temperature, vibration, and leakage during commissioning. Purchase the Armstrong 116436MF-133 H-52-1 All-Bronze potable-water pump through Mulmotor.com for authentic equipment, applicable warranty support, and pump assistance.