

Dosatron® DM14MZ5/D8RE2 Seal Kit
Product Overview
Seal failure in your chemical injection system often leads to immediate operational downtime and inaccurate fertigation ratios, which can result in significant crop loss or scorched turf. During peak growing seasons and high demand periods, a leaking Dosatron unit can derail your entire irrigation schedule and lead to costly emergency service calls. With supply chain fluctuations causing unpredictable lead times for specialized replacement parts, maintaining an inventory of genuine seal kits is the only way to avoid back-order delays. Ensuring you have these components on hand allows your crews to perform preventative maintenance before a minor leak becomes a system wide failure, keeping your clients satisfied and their landscapes thriving.
This genuine Dosatron D14MZ5 and D8RE2 Seal Kit offers a precise fit that generic O-rings and aftermarket seals cannot match. By utilizing high grade elastomers specifically engineered for chemical resistance, these seals prevent the internal bypass and pressure loss often associated with lower grade alternatives. Replacing these seals during routine maintenance cycles saves your team hours of troubleshooting time and reduces the frequency of comprehensive pump overhauls. Installing factory spec components provides a significant competitive edge by ensuring the long term calibration accuracy and reliability of the fertigation systems you manage.
Product Specifications
| Specification | Detail |
|---|---|
| Material | High Grade Chemical Resistant Elastomers |
| Compatibility | Dosatron D14MZ5 and D8RE2 Models |
| Operating Pressure Range | Up to 110 PSI (Model Dependent) |
| Injection Rate Support | 0.03 percent to 5 percent / 0.2 percent to 2 percent |
| Certifications | Manufacturer Certified Replacement Part |
| Color/Finish | Black and Blue Components |
Available Models & Sizes
This kit is specifically designed for the D14MZ5 and D8RE2 series injectors. For other Dosatron models including the D25 or D45 series, please contact our technical sales team for the correct part numbers and current pricing on bulk service pack configurations.
Key Features
- Genuine factory components ensure 100 percent compatibility with D14MZ5 and D8RE2 injection bodies.
- Enhanced chemical resistance prevents premature swelling or degradation when using concentrated fertilizers.
- Precision tolerances maintain vacuum pressure for consistent nutrient and chemical delivery.
- Simple drop in design reduces labor time for field technicians during annual service intervals.
- Direct replacement seals restore factory calibration and prevent expensive chemical over-dosing.
- Durable elastomer construction stands up to high pressure irrigation cycles without leaking.
Common Applications
- Commercial landscape irrigation
- Agricultural and crop irrigation
- Greenhouse and nursery operations
- Chemical/fertigation delivery
- Sports turf and golf course maintenance
- Municipal parks and public spaces
Installation Notes
Before beginning the seal replacement, ensure all pressure is bled from the irrigation line and the Dosatron unit is disconnected from the main water supply. Clean the piston and plunger surfaces thoroughly to remove any mineral deposits or debris that could compromise the new seal seating. Use a small amount of silicone based lubricant if recommended by the manufacturer, but avoid petroleum based greases which can degrade the rubber. Always verify that each O-ring is seated flush within its groove to prevent pinching during the reassembly of the injector body.
Top Reviews
"Absolutely incredible service! The Goulds GT20 pump we purchased runs flawlessly and better performance than our old unit ever had. Reliable pressure, easy to install, and it’s already improved our irrigation system. Highly recommend ASIW Supply!"
"Professional and dependable. The Goulds J10 pump we ordered was delivered quickly and exactly as described. Installation was smooth, and it handles daily demand without an issue. ASIW Supply is my go-to for pumps."
"We ordered custom 2-1/2" PVC pipe sections, and the precision was spot-on. The cuts were clean, fit perfectly, and saved us hours of labor. ASIW Supply made the process easy and the product quality is outstanding."
"Exceptional from start to finish. Needed a replacement GT20 in a hurry. ASIW Supply had it in stock and shipped same day. The pump is running beautifully and exceeded expectations."
"ASIW Supply is fantastic. Their Goulds J15 pump came packaged securely, with clear documentation, and the support team answered all our technical questions. Our system has never run better."
"We’ve tried other suppliers, but none compare to ASIW Supply. The 2-1/2" PVC pipe we purchased was durable, exact to spec, and shipped fast. Their products and service are absolutely worth the investment."