TCFUNDY 4.8 GPM 18L Tankless Water Heater LPG Liquid Propane Gas Instant Hot Boiler with Digital Display
TCFUNDY 4.8 GPM 18L Tankless Water Heater LPG Liquid Propane Gas Instant Hot Boiler with Digital Display
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DESCRIPTIONS
DESCRIPTIONS
Capacity: 18L/min (4.8Gal), 25 degrees warm water producing rate
Working temperature:-8-45
Thermal input: 36KW
18L Maximum air consumption: 1.9kg/h
Thermal efficiency: 80.8%
Temperature rise: 25
Minimum working water pressure: 0.025MPa
Gas pressure: 2800Pa/0.40psi (Very important to set appropriate gas pressure, or the water heater will not ignite.)
Gas pipe: G 1/2"
Water Inlet: G1/2"
Water Outlet: G1/2"
NPT 1/2" female to G 1/2" male
We have adapters which can convert G thread connector to NPT connector (not include in the list). If you need, please contact us.
Vent Type:4.3" Flue Duct
Panel Color: White
Certification: ISO 9001:2000
Automatic ignition system, Flame failure protection device
Water & gas combination unit ,Fitted with over heating and pressure safeguard
Suitable for both summer and winter
20 min. off self-timer
Mains power not required
Electrical requirement: DC3V, Automatic electric ignition powered by two (2) size 'D' batteries (batteries not included; No electrical hook up; No standing pilot)
Net weight: 28 Lbs
Attention:
Empty the water tank in cold weather to avoid any crack
Do not install the water heater and the exhaust pipe near any flammable or explosive items.
Please seal the air inlet, water inlet and water outlet with the attached gasket, do not use raw material tape / PTFE tape to seal, otherwise it will cause air leakage and water leakage.
- High efficient energy saving: the heater exchanger and main burner adopt mostly advanced energy-saving and combustion technology to decrease gas consumption and burning noise.
- Low water-pressured startup: the water control linkage valve makes the heater start up under low water pressure and shortage areas and those living in high stairs.
- Manifold auto protection: for the sake of your safety. Ion flame inspection: to automatically shut down gas power under unexpected flameout.
- Over water pressure protection function: to automatically decrease pressure under excessive high water pressure.
- Controller design: both cold water and warm water can be properly controlled.
SHIPPING & DELIVERY
SHIPPING & DELIVERY
We aim to provide a smooth and reliable delivery experience for all orders placed with Havenlia.
Processing Time
Orders are processed within 1–3 business days. Once your order has been dispatched, you will receive a confirmation email with tracking information.
Delivery
Most orders arrive within 7–12 business days after dispatch. Delivery times may vary depending on the item and your location. All orders are shipped with care to ensure quality and consistency.
Free Shipping
We offer free shipping on all orders within the United States, with no additional or hidden fees.
Customer Service
Availability: Monday to Friday, 9:00 AM – 5:00 PM (EST)
Company name: Havenlia
Business Address: 535 Beluga Ave Apt D, JBER, AK 99505, United States
Business email: [email protected]
Phone: +1 (313) 999-6518
Support Information:
Our English-speaking customer support team is available to assist customers across the United States. We aim to respond to all inquiries within 24 hours on business days.
RETURNS & REFUNDS
RETURNS & REFUNDS
We want you to feel confident with every purchase. If you are not completely satisfied, you may request a return within 30 days of receiving your order.
To be eligible for a return, items must be unused, in their original condition, and in the original packaging.
Once your return is received and inspected, we will process your refund.
Support Hours
Monday to Friday, 9:00 AM – 5:00 PM (EST)
Company name: Havenlia
Business Address: 535 Beluga Ave Apt D, JBER, AK 99505, United States
Business email: [email protected]
Phone: +1 (313) 999-6518
Support Information
Our dedicated customer support team is here to assist customers across the United States. We aim to respond to all enquiries within 24 hours on business days and are committed to providing fast, friendly, and professional support.

Made to Last
Every Havenlia product is chosen for real, everyday use — durable materials, thoughtful design, and details that hold up over time. This isn't just decor, it's built to be part of your daily life.
Made for Real Life
Whether it's your morning coffee corner or a quiet evening in the garden, Havenlia products are designed to fit naturally into your everyday routine — simple, functional, and genuinely useful.
Frequently Asked Questions
How long does delivery take?
Orders are processed within 1–3 business days (Monday to Friday). Once shipped, delivery typically takes 7–12 business days.
What is your return policy?
We offer a 30-day return guarantee. You may return your item within 30 days of delivery, provided it is unused, in original condition, and in its original packaging. To start a return, contact us at [email protected].
Do I have to pay for return shipping?
Yes, return shipping costs are the responsibility of the customer, unless the item received is incorrect or faulty.
Can I cancel my order?
Yes, within 12 hours of purchase — contact us at [email protected].
Can I exchange an item?
Yes. Mention it in your return request email; exchanges are subject to stock availability.
How can I track my order?
Once your order has been dispatched, you will receive a tracking link via email.