LMI UD001-238NU Unidose Chemical Metering Pump – 1–24 GPD, 80 PSI, 115V
Ships in 5–10 Business Days
The LMI UD001-238NU is an adjustable 1–24 GPD, 80 PSI chemical metering pump designed for reliable chlorine injection and water treatment applications in residential, commercial, and light industrial systems.
The LMI UD001-238NU Unidose is a reliable chemical metering pump designed for residential, commercial, and light industrial water treatment systems. It delivers precise chlorine injection, iron removal dosing, and boiler water treatment control.
With an adjustable output of 1–24 GPD and a maximum pressure of 80 PSI, this 115V pump ensures accurate and stable chemical feed. The simple single-dial control allows fast flow adjustments for consistent water quality.
Built with corrosion-resistant materials and a NEMA 4X/IP65 enclosure, the LMI UD001-238NU provides dependable performance in continuous-duty applications.
Technical Specifications
| Specification | Value |
|---|---|
| Model | UD001-238NU (UD001-938NU) |
| Series | LMI Unidose UD Series |
| Flow Rate | Adjustable 1–24 GPD |
| Maximum Pressure | 80 PSI |
| Power | 115V AC (Dual Voltage 115V / 230V with replaceable cord) |
| Control Type | Manual single-dial speed control |
| Housing | NEMA 4X / IP65 |
| Construction | PVC head, ceramic balls, Aflas O-rings, UV-resistant tubing |
| Maximum Temperature | 122°F (50°C) |
| Mounting | Above-ground installation |
| Certifications | NSF 61, UL |
| Weight | 8 lbs |
| Included Accessories | Foot valve, injection valve, tubing, tubing connections |
Why Choose the LMI UD001-238NU Metering Pump?
The LMI UD001-238NU is part of the trusted LMI Unidose UD Series, known for simplicity and dependable performance. Its FastPrime™ priming valve allows quick startup, reducing installation time and improving operational efficiency.
Unlike complex metering systems, this pump uses straightforward manual speed control. As a result, technicians can easily fine-tune output without complicated programming.
The NEMA 4X / IP65 enclosure protects internal components from moisture, dust, and UV exposure. In addition, dual-voltage capability provides flexibility for both 115V and 230V installations.
Designed for Water Treatment Applications
The LMI UD001-238NU chemical metering pump is commonly used in:
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Residential well water treatment systems
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Commercial building water conditioning
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Chlorine injection systems
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Iron removal systems
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Boiler feed water treatment
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Pool and spa chemical dosing
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Irrigation chemical injection
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Light industrial water processing
Because of its compact footprint and corrosion-resistant construction, it integrates easily into chemical feed panels and skid-mounted treatment systems.
Built for Durability and Chemical Resistance
The PVC pump head, Aflas O-rings, ceramic valve balls, and UV-resistant tubing provide long service life and strong chemical compatibility. These materials help ensure stable performance in chlorine and common water treatment chemical applications.
FAQs – LMI UD001-238NU Chemical Metering Pump
What is the flow range of the LMI UD001-238NU?
It offers an adjustable flow rate from 1 to 24 gallons per day (GPD).
What is the maximum operating pressure?
The pump operates at pressures up to 80 PSI.
Can this pump be used for chlorine injection?
Yes. It is commonly used for chlorine dosing in residential and commercial water treatment systems.
Is the pump rated for outdoor use?
Yes. The NEMA 4X / IP65 enclosure protects against moisture and harsh environments.
Does the pump support dual voltage?
Yes. It operates on 115V and can be converted to 230V using a replaceable power cord.
Is this pump NSF certified?
Yes. The LMI UD001-238NU is NSF 61 and UL certified.
Product Downloads
📄 Datasheet
📄 Installation Manual