Best 2 Stage Vacuum Motor Options for Central Vacuums and More
Choosing a reliable 2-stage vacuum motor is essential for consistent suction, quiet operation, and long service life in central vacuums, boats, and industrial cleaning. This guide highlights five leading 2-stage motors, comparing core specs, compatibility, and performance characteristics to help you select the right replacement or upgrade. Each option below is engineered for robust airflow and efficient operation in demanding environments.
| Product | Brand | Key Feature | Voltage | Stage |
|---|---|---|---|---|
| Ametek 120V Vacuum Motor, 2 Stage, 5.7″ Dia 116336-01 | Ametek | 4.8–8.0 amps, peripheral discharge | 120V | 2 |
| 116392-00/116392-01 Vacuum Motor Replacement | VTNPQ | High power, quiet and efficient | 120V | 2 |
| Anrain 116392-00 116392-01 Vacuum Motor | Anrain | 1000W copper core, 65dB noise | 120V | 2 |
| ZGTools 116336-01 / 116336-00 | ZGTools | Multi-model compatibility, quiet operation | 120V | 2 |
| Atsmk 116336-01 / 116336-00 | Atsmk | High efficiency, strong suction | 120V | 2 |
Ametek 116336-01 2-Stage Vacuum Motor

The Ametek 116336-01 2-stage motor is a compact 5.7″ diameter unit designed for central vacuums and similar systems. It operates at 120V and draws a moderate current, delivering reliable airflow with a peripheral discharge configuration. With 84.3 CFM, this motor balances power and noise, making it suitable for residential and light commercial applications where frequent cycles occur. The two-stage design helps maximize suction efficiency while maintaining energy use within practical limits for longer cleaning sessions.
VTNPQ 116392-00/116392-01 Vacuum Motor

This VTNPQ replacement combines high power with a quiet footprint, suitable for central vac systems, boat lifts, and industrial cleaning. It uses a 2-stage 120V design to deliver strong suction and efficient operation. The unit emphasizes quiet performance and ease of installation, aligning with both new-build systems and refurbishments. It is marketed as a direct replacement for OEM 116392-00 and 116392-01 parts, reducing compatibility concerns during upgrades while preserving effective airflow and reliability.
Anrain 116392-00 Vacuum Motor

Anrain’s 116392-00 model emphasizes robust power with a 1000W copper-based motor and a 2-stage design. Pared with a high-speed 36,000 RPM capability, this unit promises strong suction for diverse cleaning tasks, from commercial canister setups to central vacuums. Noise reduction features include a spiral outlet for acoustic isolation, contributing to quieter operation—an important factor in shared living or workspaces. Long-term durability is supported by a copper core stator and copper windings, aiming for a long service life.
ZGTools 116336-01 / 116336-00 2-Stage Motor

ZGTools presents a flexible replacement option compatible with multiple models, including 116336-0 and 116336-01 among others. The 2-stage, 5.7″ motor is designed to deliver improved suction with reduced energy consumption and quieter operation. Copper windings and a lightweight plastic housing emphasize a balance between performance and ease of installation. The model targets both residential and commercial contexts, offering broad compatibility for diverse vacuum systems that rely on a mid-sized motor footprint.
Atsmk 116336-01 / 116336-00 Vacuum Motor

Atsmk’s 116336-01/116336-00 motor stands out for high efficiency and strong suction in a 120V, 2-stage design. It emphasizes low-noise operation and energy savings, making it suitable for home use, small businesses, and marine or automotive applications where compact form and reliable airflow matter. The unit’s Gasket 566 compatibility supports straightforward installation in cameras where gasketed seals help protect internal components and maintain performance integrity.
Buying Guide: Key Purchase Considerations
When selecting a 2-stage vacuum motor, consider compatibility with your existing system, including mounting format, port size, and electrical requirements. Assess airflow needs in CFM to ensure the motor can sustain suction for your typical cleaning tasks. Noise levels are important in residential contexts, while durability and heat management matter in industrial environments.
- Compatibility and fit: Verify model numbers and replacement part compatibility (116392-00/01, 116336-01, etc.), including any gasket or housing requirements.
- Power and efficiency: A higher wattage and copper winding typically deliver stronger, more consistent suction but may draw more current—balance with your electrical setup.
- Airflow and noise: Target motors with the appropriate CFM for your space and look for low-noise designs if you operate in noise-sensitive environments.
- Durability and service life: Copper components and robust mounting brackets extend lifespan; check ratings such as hours of operation or durability claims.
- Installation and replacement: Consider direct-fit replacements to minimize modifications; assess available gaskets, housings, and mounting patterns.
- Applications: Central vacuums, boat lifts, industrial cleaning, and canister systems may demand different airflow profiles and mounting arrangements.
In practice, your choice should align with the system’s goals: maximum suction for heavy-duty tasks, quiet operation for indoor use, or a balance of both with energy efficiency. Cross-check the motor’s torque characteristics, RPM, and voltage to ensure a stable power supply and minimal wear on belts and adapters.