DIG - Add It 1 Pint Proportional Fertilizer Injector w/ Backflow Device (3/4'' FHT x MHT) - AFI 5016-HV
DIG - Add It 1 Pint Proportional Fertilizer Injector w/ Backflow Device (3/4'' FHT x MHT) - AFI 5016-HV is backordered and will ship as soon as it is back in stock.
Why so “cheap” at CheapSprinklers? Low prices by design — same parts, no compromise
Our prices are lower because of how we run our business — not because the product is different — and we pass those efficiencies directly on to you.
You’re receiving the same brand-new, factory-sealed item sold by big-box, supply-house, or bloated online-warehouse sellers — delivered direct to you, for less.
- Bulk Purchasing: We buy in high volume to lower per-unit cost
- Low Overhead: No physical storefronts or unnecessary middlemen
- Price-First Model: Our business is built around keeping everyday prices as low as possible — so you can put the savings toward other projects or your business.
- Fast & Efficient Fulfillment: Streamlined US warehouse operations keep costs down and orders moving fast.
The Result: Genuine products with full manufacturer warranty — delivered fast, without paying inflated big-box, supply-house, or bloated online-warehouse markups for the same parts.
CheapSprinklers Product Guarantee How we guarantee authenticity and warranty coverage
All products sold by CheapSprinklers are brand new and factory sealed. This DIG Fertilizer Injector (AFI 5016-HV) is sourced directly from DIG and ships from us in new-in-box retail packaging.
We’ve been sourcing and supporting irrigation products for professionals and DIYers through both brick-and-mortar and online channels since 1981.
If there’s ever an issue, CheapSprinklers stands behind what we sell and will help coordinate any warranty claim or replacement.
- Genuine New DIG Fertilizer Injector: no knockoffs, no refurbished, no old stock
- Factory Sealed: shipped in original new-in-box retail packaging
- Current Production Inventory: no discontinued or clearance stock
- Complete DIG Warranty: full manufacturer coverage begins when your order is delivered
The Result: Peace of mind. You’re installing top-quality equipment — and if there’s ever an issue with this Fertilizer Injector, you’re fully supported by CheapSprinklers and DIG.
Economical, flexible and easy-to-use, Add-It 1 Pint (.47 L) Automatic Proportional Fertilizer Injectors is ideal for feeding lawns, shrubs, trees, flowers, raised beds, vines and potted plants automatically without a pump, spreaders or hoses. It is constructed of heavy-walled, UV-resistant, PVC without any moving parts for maintenance free operation. No pump or outside power source is required. Simply use the Add-It Automatic Proportional Fertilizer Injectors to apply the optimum rate of preset fertilizer or additive to benefit your plants with no leftover residues or minerals.
*This model includes a backflow prevention device.
Specifications
- Operating pressure: 10 to 60 PSI (.7 to 4.2 BAR)
- Minimum operating pressure: 10 PSI (.7 BAR)
- Minimum flow rate: .5 GPM (2 L/M)
- Sizes: 1 pint (.47 L)
- Preset Ratio: 100:1, 100 parts water to 1-part additive
- Temperature range: up to 130°F (54°C)
- Inlet and outlet threads: FHT Inlet X MHT outlet
- Material: PVC
- Mounting position: Vertical
- Colors:
- Hose thread: Black body with blue caps
- Pipe thread: Black body with gray caps
- size: 4" W X 10" H (15.8 CM W X 25.4 CM H)
*Not recommended to be installed under constant line pressure.
Features
- An Economical way to apply nutrients
- Simple and Easy to Install
- Constructed of heavy-walled, UV-resistant, PVC without any moving parts for maintenance free operation
- Work with any liquid or water-soluble dry fertilizers
- No pump or outside power source is required
- Apply fertilizer proportionately and evenly throughout a drip system or conventional sprinkler irrigation system with no pressure loss and without any moving parts
- Ideal for residential, commercial, greenhouse and nurseries
- The liquid fertilizer applied is absorbed easily by a plant's root system
- The Add-It® fertilizer injectors have received the prestigious AE50 award of recognition from the American Society of Agricultural Engineers for outstanding innovations in product design
How It Works
How Add-It Proportional Automatic Fertilizer Injectors Operate The fertilizer additive is placed into the Add-It Automatic Proportional Automatic Fertilizer Injector canister and it does not become diluted as the irrigation system operates. Through a unique hydraulic design, a small amount of water is diverted from the main line flowing through the unit canister and then is forced into the top. A slight pressure differential is created between the inlet and the outlet drawing the fertilizer out from the bottom of the canister. The water coming into the top of the Add-It Proportional Automatic Fertilizer Injector canister is lighter than the solution of fertilizer in it. The liquid fertilizer solution has a heavier specific gravity then the water. Therefore, the water sits on top of the solution of fertilizer and not mixing with it. The distribution of the fertilizer is the same from beginning to end. After the fertilizer solution has been dispensed, the canister will contain only water.
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