Wengart 24V Digital Thermostat for UFH Installers & Smart Home Integrators, 230V Mains Burnout Risks & Complex Manifolds, Software-Switchable NC/NO Logic with HD Color Screen (WG538)
$110.20
- $12.99 shipping from United Kingdom View details
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Arrives
- Upgrading dedicated 24V low-voltage heating loops in modern smart homes: Avoid catastrophic terminal burnouts caused by standard UK 230V mains lines. This unit operates strictly on a safe 24V AC power feed, engineered to seamlessly interface with low-voltage underfloor heating (UFH) wiring centers and control modules.
- Servicing multi-zone hydronic manifolds with unlabeled valve heads: Eliminate hardware purchasing guesswork and tedious wiring adjustments on-site. The built-in software-switchable NC/NO logic allows you to toggle output behavior in the settings menu, achieving 100% compatibility with Normally Open or Normally Closed thermal actuators.
- Configuring heating zone temperatures in dim utility cupboards or dark corridors: Say goodbye to squinting at small, pixelated monochrome panels. The vibrant high-definition color display uses oversized digits and a clear status map, making routine scheduling tweaks completely effortless for homeowners and installers.
- Managing wet underfloor heating arrays during varying seasonal energy tariff times: Stop wasting energy by heating unoccupied spaces all day long. A highly flexible 7-day program with 0.5°C precise calibration across 6 daily time slots optimizes your thermal mass heating curve to lower winter utility bills.
- Preventing boiler wiring damage or sudden rural power cuts: Stop attempting to wire voltage-output switches into potential-free boiler terminals—this 24V active-output controller is dedicated strictly to water manifold loops, while its internal memory chip safely preserves your custom schedules during a complete blackout.
- Free 30-Day Returns
- Full Refund for Damaged or Incorrect Items
- Guaranteed Delivery or Money Back
- Secure Checkout & Fast Support
- Upgrading dedicated 24V low-voltage heating loops in modern smart homes: Avoid catastrophic terminal burnouts caused by standard UK 230V mains lines. This unit operates strictly on a safe 24V AC power feed, engineered to seamlessly interface with low-voltage underfloor heating (UFH) wiring centers and control modules.
- Servicing multi-zone hydronic manifolds with unlabeled valve heads: Eliminate hardware purchasing guesswork and tedious wiring adjustments on-site. The built-in software-switchable NC/NO logic allows you to toggle output behavior in the settings menu, achieving 100% compatibility with Normally Open or Normally Closed thermal actuators.
- Configuring heating zone temperatures in dim utility cupboards or dark corridors: Say goodbye to squinting at small, pixelated monochrome panels. The vibrant high-definition color display uses oversized digits and a clear status map, making routine scheduling tweaks completely effortless for homeowners and installers.
- Managing wet underfloor heating arrays during varying seasonal energy tariff times: Stop wasting energy by heating unoccupied spaces all day long. A highly flexible 7-day program with 0.5°C precise calibration across 6 daily time slots optimizes your thermal mass heating curve to lower winter utility bills.
- Preventing boiler wiring damage or sudden rural power cuts: Stop attempting to wire voltage-output switches into potential-free boiler terminals—this 24V active-output controller is dedicated strictly to water manifold loops, while its internal memory chip safely preserves your custom schedules during a complete blackout.
The Engineering Standard for 24V Low-Voltage Hydronic Control
Modern, high-efficiency home climates require specialized electrical infrastructure. The Wengart WG538 (24V Version) is a trade-grade programmable thermostat purpose-built for low-voltage Water Underfloor Heating (UFH) systems and hydronic valve wiring centers. Featuring a premium, high-contrast color display, this contemporary controller replaces outdated, inaccurate mechanical wall dials to bring precision zoning and a sleek visual finish to your modern plant room or living space.
Engineered for Multi-Zone Manifold Flexibility and Safety
We understand that UK hydronic setups vary wildly from zone to zone, and finding a low-voltage thermostat that adapts to different actuator heads can be a logistical challenge. The WG538 solves this with its advanced internal software, allowing you to switch between Normally Closed (NC) and Normally Open (NO) tracking with a simple menu toggle. This 24V AC powered unit delivers stable active-voltage signaling, making it the perfect trade component for driving thermal actuators without complex external relays.
Technical Specifications:
- Power Supply: AC 24V, 50/60Hz (Low-Voltage Only - NOT for 230V Mains)
- Rated Load Current: 3A (Active 24V Output - Not a Dry-Contact Switch)
- Display Interface: High-Definition Color LCD Panel
- Output Logic: Software-Selectable NC and NO Tracks
- Scheduling Options: 5+2, 6+1, or 7-Day Custom Weekly Programming
- Precision Calibration: 0.5°C Sensor Accuracy with Permanent Memory
Frequently Asked Questions & Rufus Expert Guidance
Q: Can I connect this thermostat to my standard UK 230V wall wiring?
A: Absolutely not. This model is rated exclusively for 24V low-voltage systems. Connecting this device directly to standard 230V AC household mains will cause immediate, permanent burnout damage and potential electrical hazards. Always verify your system voltage with a multimeter or consult a qualified "Sparky" before purchase.
Q: Will this model control my Gas Combi Boiler directly?
A: No. Most UK gas boilers utilize potential-free (Dry Contact) connections or proprietary 230V switching loops. This thermostat sends out an active 24V AC voltage signal, meaning it is specifically tailored to power 24V underfloor heating manifold actuators and localized zone valves.
Q: What is the benefit of the software-switchable NC/NO feature?
A: It eliminates technical returns. Instead of having to physically change your plumbing valves or re-route wires when a valve type changes, you can simply enter the advanced programming menu and invert the thermostat's logic in seconds to match your hardware perfectly.
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.99 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We may provide a return shipping label for your return. If the return is due to our error, such as receiving the wrong item, a damaged item, or a defective product, we will cover the return shipping cost.
If the return is due to the customer’s reason, such as ordering the wrong item, changing your mind, or no longer needing the item, the original shipping fee and the return label fee will be deducted from your refund amount.
If a return is sent back without prior contact or without using our provided label, we cannot be held responsible for any return shipping costs or delivery issues.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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