Hailea

Hailea HX Water Heaters

£13.95

Tax included. Shipping calculated at checkout.

Type: 100w

100w 200w 300w

Product variants

Quantity

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Pickup available at Sheffield store

Usually ready in 1 hour

Payment Methods

Shipping & Returns

Our current shipping rates are as follows:

UK Orders Over £95.00 – Free Next Day Delivery
UK Orders Under £95.00 – £8.95 For Next Day Delivery With DX Or We Offer Tracked 48 & 24 Services With Royal Mail
UK Orders Next Day AM – £20
UK Orders Saturday AM – £30
International Orders DAP – We can ship worldwide - Please note that any customs fees, import taxes or duties are the responsibility of the customer.

All parcels are fully tracked. Once your order has been dispatched, you’ll receive an email containing your tracking number.

If your order is classed as an oversized item OR deemed extra heavy, additional heavy shipping duty will be added at checkout when selecting your shipping options.

Returns

We want you to be completely satisfied with your purchase, but if you change your mind, you may cancel your order within 14 days of receipt for a full refund, provided the items are unused and in resalable condition.

Once your cancellation has been confirmed, you must return the items within 14 days, ideally in their original packaging.

Click & Collect

Order online and collect directly from our Sheffield OR Barnsley store. Once your order is ready, you’ll receive an email or phone confirmation with collection details. Please wait for confirmation before travelling to ensure your order is prepared.

Please have your order number ready to give to a member of staff when you arrive.

Sheffield Store:
GSH Retail Ltd
Unit 5, 230 Woodbourn Road
Sheffield
S9 3LQ

Barnsley Store:
GSH Retail Ltd
Unit 6, Rockingham Business Park
Rockingham Row, Birdwell
Barnsley, S70 5TW

Local Same Day Delivery Service

Our man in a van!

Same-Day Delivery Service

Enjoy fast, reliable, and fully discreet same-day delivery with Green Spirit when you order from our Sheffield store area.Whether you shop online or
in-store, we make getting your items easy,convenient, and secure.

Order Online

When placing your order through our website, simply select the Same-Day Local Delivery option at checkout.

Free Same-Day Delivery on orders over £250.00
Available customers within a 3-mile radius of our Sheffield store (S9 3LQ)
Orders under £250.00 can still be delivered the same day for a £50.00
flat fee

Your order will be prepared and delivered directly to your
door the very same day, using our discreet delivery service.

Order In-Store

If you prefer to shop in person, visit our Sheffield
location to browse, purchase, and arrange delivery.

Pay
in full for your items in-store
Choose
a delivery time and date that suits you best
Our
team will ensure a smooth and convenient handover

Discreet Delivery Promise

We understand the importance of privacy.

All
our delivery vans are plain and unmarked, with no company
branding
Parcels
are packaged in plain or black wrapping for complete discretion

Delivery Requirements

To ensure everything runs smoothly:

Customers
must be present at the agreed delivery time
Drivers
cannot wait for extended periods
If
the customer is not available, items will be returned to the store and a £50.00
redelivery fee will apply

Upon
delivery, we will request a order number, name and signature to
confirm receipt

Discreet Shipping

All orders from GSH Retail Ltd are packed securely and shipped in Plain unbranded boxes for your privacy. We understand that discretion is important, so no external markings or product details are visible on the packaging.

Each parcel is also wrapped in durable black film and sealed with fragile tape to ensure both security and protection in transit.

We take great care to make sure your order arrives safely, discreetly, and in perfect condition — every time.

Methods Of Payment

We accept a wide range of secure payment options for your convenience when shopping with GSH Retail LTD

You can pay using:

Visa, Mastercard, American Express, and Discover

Apple Pay, Google Pay, and Shop Pay

PayPal – Fast and secure online checkout with buyer protection

Klarna – Flexible payment options, including Pay in 3 instalments or Pay Later

Clearpay – Split your purchase into four interest-free payments

Weston Union– Supported for international customers

Cash In The Post - This is at your own risk! Please make sure it is signed for, tracked, and insured.

Manual Bank Transfer - Contact a member of staff to organise paying via bank transfer.

All transactions are processed securely through Shopify’s encrypted checkout. Your payment details are never shared directly with us.

Once your order is placed, you’ll receive an order confirmation email, followed by tracking details once your parcel has been dispatched.

Finance Options

We offer flexible finance options to make purchasing easier. You can choose to spread the cost of your order, all three options are interest-free and give you the flexibility to manage your payments in a way that suits you.

PayPal Pay in 3

PayPal Pay in 3 allows you to divide your purchase into three equal interest-free payments over two months. The first payment is made at checkout, followed by two automatic payments each month.
It is available on orders between £30 and £2,000, and approval is completed instantly through your PayPal account. You can view, manage, or make payments easily through the PayPal app or your online account.

Shop Pay

Shop Pay Installments lets customers pay for an order in smaller increments over time.When available, Shop Pay Installments is a great option to help you maximize your budget for orders between the following amounts, depending on your location:

Klarna

Klarna offers two flexible ways to pay. With Pay in 3 instalments, your order total is divided into three equal payments, taken every 30 days with no interest or fees when paid on time. Alternatively, you can choose Pay Later in 30 Days, allowing you to receive your order first and settle the balance within 30 days. Klarna provides instant approval at checkout, and all payments can be managed securely through the Klarna app.

Clearpay

Clearpay lets you spread the cost of your purchase into four equal interest-free payments, taken automatically every two weeks. The first instalment is paid at the time of purchase, and the remaining three are collected automatically over six weeks. Clearpay is available for orders between £30 and £1,000 and can be managed easily through the Clearpay app.

Important Information

All finance options are subject to eligibility and approval by the provider. Late or missed payments may affect your credit score, so please ensure funds are available when payments are due. For details about eligibility, limits, or payment schedules, please refer to the provider’s website or app.

Earning Points & Rewards

At GSH Retail we believe loyalty should be rewarded - Our Points & Rewards scheme allows you to collect points every time you shop and redeem them for discount codes to use on future purchases.

When you make a purchase through our website, you’ll automatically earn points based on the value of your order. These points are added to your account and can be saved or redeemed whenever you choose. Once you’ve collected enough points, you can exchange them for a unique coupon code that can be applied at checkout to reduce the cost of your next order.

Earn 5 Points for every £1 spent
Redeem 100 Points for £1 Store Credit

Your points never expire as long as your account remains active, and you can track your balance easily through your customer account dashboard. It’s our way of saying thank you for choosing GSH Retail Ltd

To redeem your points, simply log into your account, view your available balance, and follow the on-screen instructions to generate a discount code. Enter the code at checkout to instantly apply your reward.

Hailea HX Water Heaters – Submersible Hydroponic Nutrient Tank Heaters 100W, 200W & 300W

The Hailea HX Water Heaters are reliable, thermostatically controlled submersible heaters designed to maintain consistent water temperatures in hydroponic nutrient reservoirs, aquariums and other suitable water-based growing systems. Available in 100W, 200W and 300W models, these compact glass heaters provide an effective solution for warming nutrient solutions in colder growing environments.

Maintaining a stable nutrient solution temperature is important for healthy root development and efficient nutrient uptake. The Hailea HX Heater features an adjustable thermostat, easy-to-read temperature indicator and efficient heating element, helping growers maintain a more consistent root-zone environment.

Whether you're running a small Deep Water Culture (DWC) system, a larger hydroponic reservoir or an aquarium, Hailea HX Water Heaters offer a straightforward way to control water temperature.

Key Features

Thermostatically controlled submersible water heaters
Available in 100W, 200W and 300W models
Ideal for hydroponic nutrient reservoirs and aquariums
Adjustable thermostat for convenient temperature control
Automatically switches heating on and off to maintain the selected temperature
Helps prevent nutrient solutions becoming excessively cold
Durable glass heater construction
Compact, efficient heating element
Easy-to-read temperature setting indicator
Supplied with suction cups for secure positioning
Suitable for use in DWC and RDWC hydroponic systems
Helps maintain more stable water temperatures during colder periods
Simple installation and straightforward operation

Available Hailea HX Heater Sizes

Choose from three heating capacities depending on the size of your nutrient reservoir and the temperature of your growing environment.

Heater Size	Power Consumption	Indicative Reservoir Size
Hailea HX 100W	100 Watts	Up to approximately 100 Litres
Hailea HX 200W	200 Watts	Up to approximately 200 Litres
Hailea HX 300W	300 Watts	Up to approximately 300 Litres

Please Note: Reservoir capacities are indicative sizing guides based on commonly published UK retailer recommendations. The appropriate heater size depends on ambient temperature, reservoir insulation, water volume and the temperature increase required.

Hailea HX 100W Water Heater

The Hailea HX 100W is ideal for smaller nutrient reservoirs, compact hydroponic systems and aquarium installations.

Its 100-watt heating element provides controlled warming for smaller water volumes, making it a practical option for individual DWC containers and propagation reservoirs.

Heating Power: 100W
Indicative Reservoir Capacity: Up to 100 Litres
Adjustable Thermostat
Submersible Glass Construction
Ideal for Smaller Hydroponic Systems

Hailea HX 200W Water Heater

The Hailea HX 200W provides increased heating capacity for medium-sized nutrient reservoirs and hydroponic growing systems.

With a 200-watt heating element and adjustable thermostat, it helps maintain a consistent water temperature in reservoirs of approximately 200 litres under suitable conditions.

Heating Power: 200W
Indicative Reservoir Capacity: Up to 200 Litres
Adjustable Thermostat
Submersible Glass Construction
Ideal for Medium-Sized Nutrient Reservoirs

Hailea HX 300W Water Heater

The Hailea HX 300W is the highest-powered model available in this listing, providing greater heating capacity for larger nutrient tanks and hydroponic systems.

Its 300-watt heating element is suitable for reservoirs of approximately 300 litres under appropriate operating conditions, helping reduce temperature fluctuations in colder growing environments.

Heating Power: 300W
Indicative Reservoir Capacity: Up to 300 Litres
Adjustable Thermostat
Submersible Glass Construction
Ideal for Larger Hydroponic Reservoirs

Maintain Consistent Nutrient Solution Temperatures

Water temperature plays an important role in hydroponic growing systems. When nutrient solutions become too cold, root activity and nutrient uptake can slow down, potentially affecting plant development.

The Hailea HX Water Heater helps maintain a more stable reservoir temperature by automatically switching its heating element on and off according to the selected thermostat setting.

More consistent water temperatures can help:

Support healthy root-zone conditions
Reduce excessive temperature fluctuations
Maintain more consistent nutrient uptake conditions
Support plant development during colder periods
Improve temperature stability in indoor growing systems

Ideal for DWC & RDWC Hydroponics

In Deep Water Culture (DWC) and Recirculating Deep Water Culture (RDWC) systems, plant roots are in direct contact with the nutrient solution, making water temperature particularly important.

A Hailea HX Heater can help prevent nutrient reservoirs from becoming excessively cold, especially in winter or in growing areas where ambient temperatures drop overnight.

For many hydroponic crops, a nutrient solution temperature of approximately 18–21°C is a useful starting point, although the ideal temperature depends on the plant species, growing system and environmental conditions.

Top Tip: Use a separate water thermometer to check the actual reservoir temperature rather than relying entirely on the heater's thermostat setting.

Adjustable Thermostat for Automatic Heating

Each Hailea HX Heater features an integrated adjustable thermostat, allowing you to select the desired water temperature.

Once the water reaches the selected temperature, the thermostat regulates the heating element to help maintain consistent conditions.

This automatic operation reduces the need to manually switch the heater on and off throughout the day.

Durable Submersible Glass Construction

Hailea HX Water Heaters feature a glass heater body designed for use in suitable freshwater reservoirs and aquariums.

The heating element is housed inside the glass tube, while the integrated thermostat provides temperature regulation.

Supplied suction cups allow the heater to be secured to a suitable smooth surface inside the reservoir, helping keep it correctly positioned during operation.

Efficient Heating for Colder Growing Environments

Hydroponic nutrient reservoirs can lose heat when positioned on cold floors, in unheated rooms or in environments where temperatures fall significantly overnight.

A thermostatically controlled heater helps replace lost heat and maintain the selected water temperature.

For improved efficiency, consider insulating your nutrient reservoir and keeping it away from cold surfaces or draughts.

Ideal Applications

Hydroponic nutrient reservoir heating
Deep Water Culture (DWC) systems
Recirculating Deep Water Culture (RDWC)
Hydroponic propagation reservoirs
Recirculating hydroponic systems
Aquaponic systems where compatible
Freshwater aquariums
Indoor water tanks
Winter reservoir temperature management
Small and medium-sized nutrient tanks

Product Specifications

Brand	Hailea
Product Range	HX Water Heaters
Heater Type	Thermostatically Controlled Submersible Heater
Available Sizes	100W, 200W, 300W
Power Consumption	100W, 200W or 300W Depending on Model
Temperature Control	Adjustable Built-In Thermostat
Construction	Glass Heater Tube
Mounting	Suction Cup Mounting
Installation	Submersible – Follow Manufacturer's Immersion Instructions
Applications	Hydroponics, Nutrient Reservoirs, DWC, RDWC & Aquariums

How to Choose the Right Hailea Water Heater

When selecting a heater for your nutrient reservoir, consider the following factors:

Reservoir Capacity: Larger volumes of water generally require greater heating capacity.
Ambient Temperature: Colder growing environments may require more heating power.
Desired Water Temperature: Consider how much the water temperature needs to increase.
Reservoir Insulation: Insulated tanks lose heat more slowly and can reduce heating demand.
Water Circulation: Gentle water movement helps distribute heat more evenly throughout the reservoir.
Available Space: Ensure there is sufficient room to install the heater safely without contacting equipment or delicate materials.

Installation & Safety Instructions

Choose the correct heater wattage for your reservoir size and growing conditions.
Inspect the glass heater carefully for cracks or damage before use.
Secure the heater inside the reservoir using the supplied suction cups.
Position the heater according to the manufacturer's instructions and marked immersion limits.
Allow the heater to acclimatise to the water before switching on, as directed by the manufacturer.
Set the thermostat to the desired temperature.
Use a separate thermometer to monitor the actual water temperature.
Ensure water circulation is sufficient to distribute heat evenly.
Disconnect the heater from the electrical supply before maintenance or water changes.
Allow the heater to cool before removing it from the water.

Important Safety Information: Never operate the heater outside the water or below the manufacturer's minimum immersion level. Do not use a heater with cracked glass or a damaged cable. Use an RCD-protected electrical supply and follow the manufacturer's installation and cooling instructions.