Search  for anything...

relayLINK – 6-Channel Dry Contact Relay Module – Automates Greenhouse HVAC, Humidifiers, and Mixed-Voltage Grow Equipment – LED Status Indicators – for Use with Growlink HUB and OS

  • Based on 0 reviews
Condition: New
Checking for the best price...
$199.00 Why this price?

Buy Now, Pay Later


As low as $33.17 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: Only 1 left in stock, order soon!
Fulfilled by Growlink

Arrives Friday, Sep 5
Order within 2 hours and 1 minute
Available payment plans shown during checkout

Features

  • AUTOMATE SIX DEVICES INDEPENDENTLY: Control HVAC systems, humidifiers, dehumidifiers, fans, or other grow room equipment using six dry contact outputs with independent scheduling.
  • MIXED-VOLTAGE COMPATIBILITY: Dry contact design allows you to switch low-voltage or high-voltage systems without electrical loadideal for complex automation setups.
  • REAL-TIME STATUS: LED lights on the front panel show the current state of each relay, making it easy to monitor operations or troubleshoot at a glance. *Requires Growlink HUB (sold separately)
  • MADE IN THE USA: Seamlessly integrates into your Growlink system through the HUB for centralized control. Includes wall mounting hardware; optional DIN rail kit sold separately.
  • BUILT FOR TOUGH ENVIRONMENTS: Engineered for commercial greenhouses and grow rooms. Withstands heat, humidity, and daily use with rugged reliability. Scale smarterGrowlink.

Description

Effortless Automation for Your Grow Environment Growlink’s relayLINK gives you precision control over six individual grow room systems—HVAC units, humidifiers, fans, and more. With dry contact relays rated for mixed-voltage compatibility, it lets you automate key infrastructure without power limitations or rewiring. Each channel operates independently, and LED indicators provide instant visibility into relay status. Whether you're managing airflow, humidity, or temperature systems, relayLINK makes your setup smarter and more responsive—with full control through Growlink OS. Why relayLINK? Operates six independent devices 3.5A dry contact relays—ideal for mixed-voltage systems Perfect for HVAC, humidifiers, dehumidifiers, and fans LED relay indicators for quick troubleshooting Built tough for grow houses and indoor farms Sends real-time data straight to your Growlink OS platform via HUB Made in the USA Hardware & Integration Wall mount included; DIN rail kit sold separately Requires Growlink HUB for operation – sold separately Easy to install, plug & play design 10ft RJ45 Cable included Build a Thriving Farm Growlink LINKS modules make it easy to scale, customize, and streamline your automation setup—giving growers full control over irrigation, fertigation, and climate with plug-and-play simplicity. Scale Smarter, Grow Better & Maximize Your Yields with Growlink.

Brand: Growlink


Item Weight: 1.5 Pounds


UPC:


Manufacturer: Growlink


Product Dimensions: 7.5 x 3.75 x 7.5 inches


Item Weight: 1.5 pounds


Manufacturer: Growlink


Batteries required: Yes


Included Components: relayLINK


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Sep 5

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews

No reviews yet

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...