Description
xOverview
The EHEIM Jager 125W aquarium thermostat heater delivers dependable warmth for both freshwater and saltwater tanks. Its fully submersible design and robust glass body help it blend into your tank while providing a steady, safe heat source for your aquatic residents.
Key benefits at a glance
- Fully submersible design for flexible placement inside the tank
- TruTemp dial with recalibration lets you read temperatures within +/- 0.5°F
- Thermal safety controls guard against running dry and monitor water level
- Automatic shutoff when water level dips too low
- Shock resistant and shatter proof glass suitable for fresh or marine environments
- On/off indicator light for quick status checks
Precision you can feel
Temperature control in an aquarium matters. The Jager 125W is designed to maintain a stable environment by letting you fine tune the current setting with a dial that can be recalibrated. While every tank is unique, the +/- 0.5°F accuracy provides a practical window that helps you approach your target range with confidence. The visible glass casing stays slender in appearance while offering clear visibility to monitor heat progression as you observe your underwater world.
Smart safety and reliability
Safety features are built with routine tank maintenance in mind. If the water level falls or the heater is not fully immersed, the unit does not continue to heat, protecting delicate organisms and equipment. The on/off indicator lets you confirm power status at a glance, while the durable glass construction stands up to regular aquarium use in freshwater or marine setups.
Designed for versatile aquariums
Whether you keep small community tanks, planted freshwater setups, or marine environments, the Jager 125W is designed with versatility in mind. Its compact form and robust internals suit a wide range of tank sizes and configurations, helping you maintain a steady environment without crowding the aesthetic of your display.
Tips for setup and calibration
- Install fully submerged for accurate readings and stable performance
- Use the TruTemp dial to calibrate the thermostat within +/- 0.5°F as you monitor tank readings
- Check the indicator light regularly to confirm operation and avoid unnoticed temperature drift
With these features, you gain a practical tool for maintaining a consistent tank climate. While results may vary with tank size, inhabitants, and maintenance routines, the Jager 125W offers a reliable platform for steady heat delivery across a range of aquatic setups.
FAQ
Q: What makes the EHEIM Jager 125W heater reliable?
A: Its fully submersible design, precision TruTemp calibration, and automatic shutoff for low water levels help maintain stable tank temperatures.
Q: Is this heater suitable for both freshwater and marine tanks?
A: Yes, the unit is designed for freshwater and marine use with shock-resistant glass.
Shipping & Return
xShipping Policy
Order Processing Time
At Petlywox, we work to process every pet supply order as quickly and carefully as possible. All orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or holidays will be processed on the next business day.
If there is a delay in fulfilling your order, Petlywox will notify you promptly by email.
Shipping Time
We ship pet products, pet supplies, dog products, cat products, pet accessories, grooming supplies, feeding essentials, toys, beds, collars, leashes, and everyday pet care items across the United States.
- Standard delivery: estimated 3–5 business days after dispatch in most U.S. locations.
- Remote or limited-service areas: delivery may take longer due to distance, carrier routes, weather conditions, or local delivery limitations.
While we always strive for fast and reliable delivery, once a package has been handed over to the carrier, Petlywox is not responsible for carrier delays, weather-related disruptions, incorrect addresses, or delivery issues outside our control.
Shipping Confirmation and Tracking
Once your order has shipped, you will receive a shipping confirmation email containing your tracking number and tracking link. Tracking details typically become active within 24–48 hours after shipment.
If your tracking link does not update immediately, please allow some time for the carrier system to refresh. Your package may already be moving even if the tracking page has not yet been updated.
Shipping Rates
Shipping within the United States is free on eligible orders. Petlywox is committed to offering convenient online shopping for pet owners with reliable delivery and affordable pet care essentials.
Expedited or express delivery options may be available at checkout for an additional fee depending on your location, product availability, and carrier service options.
Address Accuracy
Please ensure your shipping address is complete and accurate before placing your order. Petlywox is not responsible for delays, lost shipments, failed delivery attempts, or delivery issues caused by incorrect, incomplete, or inaccessible addresses.
If you notice an address mistake after placing your order, please contact us as soon as possible at petlywox@gmail.com. We will do our best to help, but address changes cannot be guaranteed once the order has been processed or shipped.
Damaged or Lost Packages
If your order arrives damaged, please contact us immediately at petlywox@gmail.com with photos of the package, shipping label, and its contents. We will review the issue and assist you as quickly as possible.
If your package is marked as “delivered” but you have not received it, please check around your property, mailbox, front desk, parcel locker, neighbours, or your local delivery office. If the issue continues, email us and we will help you review the delivery status with the carrier.
International Shipping
At this time, Petlywox primarily ships within the United States. We may expand our shipping coverage to additional destinations in the future.
Pet Product Shipping Notice
Some pet products, pet accessories, grooming items, feeding supplies, or large pet essentials may ship separately depending on product availability, warehouse location, carrier restrictions, or package size. If your order includes multiple items, they may arrive in separate packages.
Delivery time for oversized pet products such as crates, beds, gates, carriers, or large pet accessories may vary depending on carrier handling and local delivery conditions.
Contact
If you have any questions about shipping, tracking, delivery times, pet supply orders, or damaged packages, please contact us at:
Email: petlywox@gmail.com
Website: petlywox.com
United States Contact / Return Address:
Petlywox
1970 Old Cuthbert Rd 250/B
Cherry Hill, New Jersey 08034
United States
- Choosing a selection results in a full page refresh.
