APUS Tankless Water Heater Propane — 140,000 BTU, 6.8 GPM, Zero Cold Water, Smart Wi‑Fi Control

Instant Hot Water, Inside Your Home

Meet the APUS Tankless Water Heater Propane, engineered for reliable warmth on demand. With a robust 140,000 BTU burner and a copper heat exchanger, this unit responds quickly when you open a tap, delivering consistent warmth where and when you need it. Its compact footprint is designed for indoor installation, making it a practical upgrade for whole-house comfort without bulky tanks.

What makes it stand out

• Zero Cold Water Technology helps minimize the wait for hot water by prioritizing immediate delivery as soon as the faucet is opened.
• Efficient, energy-conscious operation with ECO cycles designed to reduce overall energy use compared to traditional systems.
• Built-in booster pump increases water flow, supporting multiple fixtures at once while maintaining stable temperature.

Smart, convenient control

Stay in control whether you’re home or away. The APUS tankless unit is designed for mobile app access, enabling temperature adjustments, performance monitoring, and alerts with just a tap. You can tailor comfort from 95°F to 140°F to fit seasonal needs or personal preference.

• Remote preheating allows you to step into a warm shower after a long day, even if you’re on your way home.
• Seasonal mode adapts outlet temperature automatically to keep your water at a steady level year-round.
• Smart notifications help you track performance and stay ahead of maintenance needs.

Performance you can feel

Thanks to a powerful 140,000 BTU burner and a durable copper heat exchanger, this unit delivers hot water quickly and consistently. The built-in booster pump can raise flow by up to 130%, enabling simultaneous use for two showers and two sinks without noticeable temperature drops.

• Maximum flow up to 6.8 GPM supports multiple fixtures at once.
• Smart Season Comfort Mode maintains reliable temperatures with incoming water variations.
• Bottom turbo fan delivers quieter operation than many standard tankless models.

Safe, compact, and easy to install

Designed for indoor use, the unit fits a compact footprint and uses standard 1/2" NPT connections for straightforward setup. Eight protective systems, including freeze and overheat safeguards, help provide reliable service. A compact form factor means easier installation in tight spaces, with 24/7 US-based support available for installation questions or tech help.