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Endless Hot Water, On-Demand
The Greystone Flex Temp On-Demand Tankless Water Heater is your solution to endless hot water for showers, baths, or even doing dishes in your RV sink. Engineered with a compact and lightweight design, the Flex Temp is perfect for any RV.
This model features an industry-first patented flow restrictor valve that automatically adjusts the flow rate based on the incoming water temperature, ensuring maximum efficiency. Additionally, the Greystone RV Flex Temp On-Demand Water Heater comes equipped with industry-first safety features like a carbon monoxide detector, propane leak detector, anti-freezing system, and anti-scald system. Its compact size makes it easy to retrofit for any existing RV water tank.
Don't get left in the cold; enjoy an endless flow of hot water, just like at home, no matter where your adventure takes you with the Greystone Flex Temp On-Demand Tankless Water Heater.
- Hot Water, Anywhere - 65,000 BTU output for on-demand hot water no matter where you are
- Maximum Flow - Patented technology for the best flow rate
- Performance - 2.8 L/Min minimum flow for ignition
- Remote Control - Wireless digital remote for precise control
- Advanced Safety - carbon monoxide and propane leak censors
- Temperature Protection - Anti-Scald and Anti-Cold systems for better user safety
- Retrofit ready - Perfect for replacing tanked or tankless models
- Rated Heat Load: 17kW
- Rated Water Production Capacity: 8.5kg/min (∆t=25k)
- Exhaust Mode: Forced Exhaust
- Estimated Max BTU Output: 65,000
- Ignition Mode: Pulse Electronic Ignition
- Applicable Water Pressure: 0.01-0.75MPa
- Minimum Flow for Ignition: 2.8L/min
- Power Supply Req: DC 12V
- Rated Gas Pressure (LPG): 2800Pa
- Unit Dimensions (In): 17.4" x 12.5" x 12.5"
- Net Weight (Lbs): 24
- Exhaust Pipe Material ⦶60
- Rated Power Consumption 32W
- JOINT: Water Inlet & Outlet: 1/2 NPT
- JOINT: Gas 3/8 NPT
- One-year warranty from date of purchase of the RV to the original owner
CLICK HERE FOR INSTRUCTION MANUAL
| Btu output | 65000 |
|---|---|
| Exhaust mode | Forced Exhaust |
| Ignition mode | Pulse Electronic Ignition |
| Gas joint size | 3/8 NPT |
| Net weight (pounds) | 24 |
| Unit width (inches) | 12.5 |
| Rated heat load (kw) | 17 |
| Unit height (inches) | 12.5 |
| Unit length (inches) | 17.4 |
| Rated gas pressure (pa) | 2800 |
| Exhaust pipe diameter (mm) | 60 |
| Rated power consumption (w) | 32 |
| Applicable water pressure (mpa) | 0.01-0.75 |
| Power supply requirement (v dc) | 12 |
| Minimum flow for ignition (l/min) | 2.8 |
| Water inlet and outlet joint size | 1/2 NPT |
| Rated water production capacity (kg/min) | 8.5 |
- What is the btu output of the greystone flex temp on-demand water heater? The water heater has an estimated maximum BTU output of 65,000.
- Does this water heater have any safety features? Yes, it includes advanced safety features such as a carbon monoxide detector, propane leak detector, anti-freezing system, and anti-scald system.
- What is the minimum flow rate required for ignition? The minimum flow rate required for ignition is 2.8 liters per minute.
- Is the greystone flex temp on-demand water heater compatible with rvs? Yes, it is designed specifically for RVs with a compact and lightweight design, and it is retrofit ready to replace existing tanked or tankless models.
- What power supply does this water heater require? It requires a 12V DC power supply.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.




