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NOVIEEX Tankless Propane Heater – 5.3 GPM, 120K BTU

$569.99 on Amazon.com (as of October 19, 2026, 8:50 PM EST) View details ↗

Upgrade to endless hot water with the NOVIEEX Outdoor Propane Tankless Water Heater, designed for high-demand households and rugged outdoor conditions. This 120,000 BTU unit delivers 5.3 GPM flow rate—ideal for powering 2–4 fixtures simultaneously, from showers to washing machines—without temperature drops. No more waiting for a tank to refill; this on-demand system heats water only when needed, slashing energy costs compared to traditional storage heaters.

The heavy-duty powder-coated steel housing resists rust, corrosion, and harsh weather, making it perfect for exterior wall mounting. With 3/4″ NPT connections for water and propane, installation is straightforward—no indoor venting required. Built with 6-layer safety protections, including flame-out auto-shutoff, GFCI leakage detection, and wind-resistant exhaust, this heater prioritizes reliability. The 6-star energy-efficient copper heat exchanger ensures consistent performance while minimizing fuel waste, making it a trusted choice for families of 4–6 or homes with high hot water demands.

Flow Rate5.3 GPM
Heating Power120,000 BTU
Dimensions23.7″ L × 15″ W × 5.1″ H
Water Pressure Range2.9–116 PSI (0.02–0.8 MPa)
Connections3/4″ NPT (water & propane)
Safety Features6-layer protection (flame-out, GFCI, anti-freeze, etc.)
How many fixtures can this heater support at once?
It handles 2–4 fixtures simultaneously, such as a shower, kitchen faucet, washing machine, and bathroom sink, without temperature drops.
Is professional installation required for outdoor mounting?
While designed for easy outdoor installation, ensure proper gas/water line connections and follow local codes—consult a pro if unsure.
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