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  1. Hunter 4 Station Decoder with Surge Suppression | ICD-400
    Hunter 4 Station Decoder with Surge Suppression | ICD-400
    On-Sale $404.90 List Price $689.87
    HLSG SKU: HTRICD400
    SKU: ICD-400
  2. Rain Bird Decoder for ESP-2WIRE Controller | 2W-1
    Rain Bird Decoder for ESP-2WIRE Controller | 2W-1
    On-Sale $72.51 List Price $115.00
    SKU: 2W-1
  3. Rain Bird ESP-LXD 2-Wire Decoder Controller | ESPLXD
    Rain Bird ESP-LXD 2-Wire Decoder Controller | ESPLXD
    On-Sale $1,295.47 List Price $2,358.28
    HLSG SKU: RBCESPLXD
    SKU: ESPLXD
  4. Hunter ACC2 75 Station 2-Wire Plastic Controller | A2C-75D-P
    Hunter ACC2 75 Station 2-Wire Plastic Controller | A2C-75D-P
    On-Sale $1,730.79 List Price $2,701.46
    HLSG SKU: HTNA2C75DP
    SKU: A2C-75D-P
  5. Hunter 2 Station Decoder with Surge Suppression | ICD-200
    Hunter 2 Station Decoder with Surge Suppression | ICD-200
    On-Sale $258.80 List Price $431.42
    HLSG SKU: HTRICD200
    SKU: ICD-200
  6. Hunter 6 Station Decoder with Surge Suppression | ICD-600
    Hunter 6 Station Decoder with Surge Suppression | ICD-600
    On-Sale $433.47 List Price $741.76
    HLSG SKU: HTRICD600
    SKU: ICD-600
  7. Hunter ACC2 75 Station 2-Wire Metal Controller | A2C-75D-M
    Hunter ACC2 75 Station 2-Wire Metal Controller | A2C-75D-M
    On-Sale $1,910.06 List Price $2,981.28
    SKU: A2C-75D-M
  8. Hunter ACC2 75 Station 2-Wire Stainless Steel Controller | A2C-75D-SS
    Hunter ACC2 75 Station 2-Wire Stainless Steel Controller | A2C-75D-SS
    On-Sale $2,281.64 List Price $3,561.25
    HLSG SKU: HTRA2C75DSS
    SKU: A2C-75D-SS
  9. Weathermatic SL1600 Stainless Steel Wall Mount Enclosure | SLWM-SS-1600
    Weathermatic SL1600 Stainless Steel Wall Mount Enclosure | SLWM-SS-1600
    On-Sale $1,124.52 List Price $1,495.95
    HLSG SKU: WMCSLWMSS1600
    SKU: SLWM-SS-1600
  10. Hunter ACC2 75 Station 2-Wire Plastic Pedestal Controller | A2C-75D-PP
    Hunter ACC2 75 Station 2-Wire Plastic Pedestal Controller | A2C-75D-PP
    On-Sale $4,334.69 List Price $6,974.96
    HLSG SKU: HTRA2C75DPP
    SKU: A2C-75D-PP
  11. Hunter ACC 1 - 99 Station 2-Wire Stainless Steel Controller | ACC-99D-SS
    Hunter ACC 1 - 99 Station 2-Wire Stainless Steel Controller | ACC-99D-SS
    On-Sale $3,071.41 List Price $6,527.26
    HLSG SKU: HTRACC99DSS
    SKU: ACC-99D-SS
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Advantages of a 2-Wire Irrigation Controller

While there are plenty of irrigation controllers available to sprinkler owners, many opt for a two wire irrigation system because of its simplicity. In a traditional system, each valve requires its own dedicated wire from the controller, while a 2-wire system uses one shared pair of wires for all devices, connected via decoders. Because the same pair of wires serves all valves, it significantly reduces the amount of wiring needed, especially for large or complex installations. Fewer wires mean easier installation and less chance of wiring errors.

2-Wire Decoder Controller FAQs

Are 2-wire systems more expensive than traditional irrigation systems?

The initial hardware cost may be higher, but savings on wiring and scalability can offset the expense, especially for large installations. Consider installing a 2-wire decoder controller if you’re setting up sprinklers around commercial landscapes, farm land, or other areas with extensive irrigation needs.

How do decoders receive power and signals?

The 2-wire path provides both power and communication signals to all connected decoder devices, activating specific valves or devices as needed. Once the 2-wire controller is properly connected to the decoders in the irrigation system, you won’t need to do any more wiring.

How many decoders can be connected to a 2-wire system?

Based on the decoder’s capabilities, the limit can range from 50 to several hundred decoders at a time. Each model of 2-wire irrigation controller will have its own capacity, so be sure to check for a specific count before deciding on which to purchase.