Product Overview

The Speck Pumps Normblock Multi Series NB715-1025F-000 is a heavy-duty 25 HP commercial pool pump engineered for high-flow aquatic applications. It features a horizontal single-stage design, corrosion-resistant plastic pump housing, and a slow-running 1750 RPM motor configuration designed to reduce vibration and operating noise.

The NB715-1025F-000 is the Normblock Multi 125/250 model and operates on 208-230/460V, three-phase power. It is well suited for commercial swimming pools, aquatic facilities, fountains, water parks, aquaculture systems, and other demanding circulation applications.

Key Features

25 HP Commercial Performance
Designed for demanding commercial circulation systems requiring substantial flow capacity and continuous-duty operation.

208-230/460V Three-Phase Motor
The motor supports 208-230/460V three-phase electrical service for compatibility with common commercial electrical installations.

1750 RPM Operation
The slower-running 1750 RPM design helps reduce vibration and operating noise while supporting long-term commercial operation.

Corrosion-Resistant Construction
The pump housing is manufactured from high-performance plastic designed to resist corrosion in demanding aquatic environments.

TEFC Motor
Equipped with a heavy-duty Totally Enclosed Fan Cooled motor with Class F insulation and IP55 protection.

Heavy-Duty Mechanical Seal
A Carbon/Silicon Carbide EPDM mechanical seal provides durability and extended maintenance intervals.

Benefits

• 25 HP commercial circulation capacity
• 208-230/460V three-phase operation
• Quiet 1750 RPM design
• Corrosion-resistant plastic pump housing
• Suitable for demanding aquatic environments
• Heavy-duty TEFC motor
• Stainless-steel shaft extension
• Designed for pools, fountains, aquatic facilities, and water parks
• Commercial-grade construction
• Designed for dependable continuous operation

Specifications

Installation Information

The Normblock Multi NB715-1025F-000 is intended for commercial installations and should be installed by qualified pool and electrical professionals.

This model is supplied as the pump-only configuration without a strainer. An optional compatible strainer may be available depending on the installation requirements.

ANSI flange kits are sold separately and should be selected according to the plumbing configuration.

Confirm Before Ordering

Please confirm:

• Speck part number NB715-1025F-000
• Normblock Multi 125/250 model
• 25 HP requirement
• 208-230/460V three-phase electrical service
• 6" suction connection
• 5" discharge connection
• Required flow rate and total dynamic head
• Whether a strainer is required
• Whether flange kits are required

Commercial pumps should be selected based on the hydraulic requirements of the complete circulation system rather than horsepower alone.

Warranty Information

Warranty coverage is subject to Speck Pumps' current commercial warranty terms, qualifying installation requirements, application, and purchase channel. Professional installation is recommended.

Customer Q&A

Does NB715-1025F-000 include a strainer?
No. This configuration is supplied as the pump-only version. A compatible strainer may be available separately.

How much horsepower does this pump have?
The NB715-1025F-000 is rated at 25 HP.

Is this pump single phase or three phase?
It is a three-phase commercial pump.

What voltage does it use?
The motor is rated for 208-230/460V three-phase operation.

What is the full-load amperage?
Full-load amperage is approximately 67.7 amps at 208V, 61.2 amps at 230V, and 30.6 amps at 460V.

What are the connection sizes?
The pump uses a 6-inch ANSI suction connection and a 5-inch ANSI discharge connection.

What speed does the motor operate at?
The motor operates at approximately 1750 RPM.