The D14TMZ3000 is designed for applications that require extremely precise, low-rate chemical injection in hot-water environments. Powered entirely by water flow, it delivers accurate dosing ratios from 1:3000 to 1:333 (0.03% to 0.3%), automatically adjusting concentrate injection in proportion to changing water demand. Engineered to handle water temperatures up to 158°F (70°C), the unit is equipped with dosing seals for alkaline chemistries and features a reinforced, metal-free piston for enhanced durability and chemical compatibility. This combination of low-dose precision and hot-water capability makes it an excellent solution for sanitation, cleaning, and industrial processes where consistent chemical concentrations are essential for performance and cost control.
- Connection Size: 3/4" NPT
- Percentage Range: 0.03% - 0.3%
- Unit Weight: 8 lbs
- Flow: 0.05 to 14 GPM
- Pressure: 4.3 to 85 PSI
- Dimensions: 19 1/18” x 6 5/16”
- Ratio Range: 1:3000 - 1:333
Included Accessories: 6’ clear suction tube, strainer, weight, mounting bracket and quick start guide
Key Specifications
Weight
8
Water Flow Range
0.05 - 14
Operating Pressure Range
4.3 - 85
Maximum Temperature
158
Pressure loss
Viscosity limits
For dependable operation, the D14TMZ3000 should be installed on a properly configured hot-water line with adequate filtration to prevent debris from affecting injector performance. Because the unit is designed for elevated-temperature applications, all associated plumbing components should be suitable for hot-water service. Isolation valves and a dedicated bypass arrangement can simplify maintenance while minimizing downtime, and appropriate backflow prevention helps protect both the water supply and chemical storage system. Positioning the chemical concentrate source close to the injector and minimizing suction distance promotes stable product pickup and accurate low-volume dosing. A well-engineered installation helps maximize injector longevity while ensuring reliable chemical delivery in demanding hot-water cleaning and treatment applications.
Every application is different. Flow rates, water quality, chemical compatibility, and installation requirements all impact the best injector configuration.
Contact a Dosatron expert today to determine the ideal setup for your application.
Find your maintenance kit in seconds — just check how long your pump has been in service.
Time in service | Recommended kit | Why | Buy Now |
|---|---|---|---|
Under 6 months | Mini Maintenance Kit | Quick refresh of the wear parts that go first — keeps dosing accuracy on spec. | Click here |
6 months – 2 years | Seal Kit | Replaces the seals and O-rings before leaks and dosing drift start. | Click here |
Over 2 years | Rebuild Kit | A full internal overhaul — restores your pump to factory performance. | Click here |
Over 5 years | Talk to our team | At this stage the motor piston typically needs replacing. We'll confirm the right solution for your unit. |
Need a single replacement part instead of a full kit?
Reach out to us

