IceCap Aquarium Heater Controller  Dual Outlet Temperature Control

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Precise & Reliable Temperature Control

The IceCap Heater Controller provides accurate and dependable temperature regulation for your aquarium, helping maintain a stable environment for fish and corals.

Designed to control up to two heating elements (sold separately), this controller features dual grounded outlets and supports a combined load of up to 1000 watts perfect for both freshwater and saltwater systems.

For added protection, it can also be used alongside an aquarium system controller for an extra layer of safety.

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Key Features:

• Dual grounded outlets for controlling two heaters
• Supports up to 1000 watts total
• Accurate and stable temperature regulation
• Over-temperature audible alarm for safety
• Suitable for freshwater and marine aquariums
• Easy plug-and-play setup

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Specifications:

• Temperature Range: 68–93°F (20–34°C)
• Control Modes: On/Off Heating
• Accuracy: ±1°C / ±1°F
• Resolution: 0.1°C
• Max Ambient Temp: 95°F (35°C)
• Power Input: 100–240VAC / 60Hz
• Relay Capacity: 10A (100–240VAC)
• Controller Size: 3.125" x 5.375" x 1.125"
• Probe Cord Length: 5 ft
• Outlet Cord Length: 18 in
• Calibration Offset: ±5° (C/F) adjustable

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Important Notes:

• Heater controller only requires compatible heater(s) (sold separately)
• For indoor use only

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Using a heater controller adds an extra layer of protection against heater failure and temperature swings—one of the most common causes of tank crashes.

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Blue <POWER> LED indicates power ON
Red <ON/OFF> LED indicates heater power is ON

Button Functions

Hold and press the <SET> button for 5 sec. to switch the Controller ON or OFF. Press <SET> button once to enter the target temperature setting mode.

Press the <C/F> button to switch the display between Celsius and Fahrenheit.

Press the <+> button to increase the Target Temperature and press the <SET> button to save your setting.

Press the <-> button to decrease the Target Temperature and press the <SET> button to save your settingController Temperature Calibration

Check the aquarium's water temperature on the thermometer against the temperature shown on the Heater Controller. If there is a large difference between the thermometer and the Heater Controller, you must calibrate it. 

1. Press and hold <+> and <-> buttons simultaneously for around 3 seconds. The Water Temp display will begin blinking.  The original allowance value shows at 0.0. 
2. Press <+> or <-> button to adjust up or down the value ± 5.0° (C/F) in 0.5° increments
3. Finally, press the Set button to confirm calibration setting. The bottom display will change back to show the water temperature

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Why Shop with Infinity & Beyond Aquatics?

At Infinity & Beyond Aquatics, we're more than an online aquarium store—we're hobbyists who understand the importance of quality equipment and dependable service. Every product we offer is carefully selected from trusted manufacturers to help you build and maintain a thriving aquarium with confidence.

When you shop with us, you'll enjoy:

• Authorized Dealer for Premium Aquarium Brands
• Genuine Products Backed by Manufacturer Warranties
• Carefully Curated Selection for Freshwater & Saltwater Aquariums
• Fast Order Processing
• Responsive Customer Support from Fellow Aquarists
• Secure Checkout & Trusted Shipping Partners
• Whether you're just getting started or maintaining an advanced aquarium, we're committed to providing the products and support you need for long-term success.

Shipping Information

We take great care to ensure your order is packaged securely and shipped safely. Shipping rates are calculated at checkout based on your location, order size, and selected shipping method.

Orders of $100 or more qualify for FREE Standard Shipping (exclusions may apply to oversized, freight, or specialty items).

Most in-stock orders are processed within 1–2 business days. If an item ships directly from one of our trusted supplier partners, processing and delivery times may vary slightly. You'll receive tracking information as soon as your order is on its way.

Our goal is to get your aquarium supplies to you quickly, safely, and ready for your next project.