SFT 199-1
Simple - Reliable - Efficient
Mount > Connect > Plug-in > Enjoy endless hot water
If you’d like to shower with an uninterrupted hot water supply or run hot water from multiple taps at the same time, then the SFT Superflow is the perfect solution. The SFT is the latest innovation in high efficiency tankless water heaters. A continuous supply of hot water at a constant temperature guaranteed. And no water tank in sight.
Features
Technical Data
Connections
Touch Panel
Documentation
Features
| SIMPLE |
| Mount > Connect > Plug In > Enjoy Endless Hot Water |
| A total of 4 moving parts – Unparalleled in the industry (Fan, Bypass Valve, Gas Valve, and Damper) |
| New illuminated touchscreen control display panel |
| Built-in bypass valve to prevent temperature fluctuations |
| Superior performance in hard water areas |
| Contractor friendly: 2” venting up to 65 ft. with 2” vent adapter |
| Extended pipe connections |
| Universal internal parts |
| Sleek wall mounted space-saving design |
| RELIABLE |
| Proven patented single pass Labyrinth heat exchanger with fully integrated copper waterways |
| No flow reduction in hard water conditions |
| Innovative state of the art electronic control |
| EFFICIENT |
| Fully condensing one-piece heat exchanger |
| Wireless cascade of up to 8 units. Multiple cascade configurations available. |
| DHW recirculation pump control eliminates the need for an external timer |
| Qualifies for top-tier energy rebates. Check your local utility for rebate opportunities. |
| Ultra low NOx / low greenhouse gases |
| Up to 5.2 GPM continuous at a 70˚F rise |
| Advanced temperature control |
Technical Data
| SPECIFICATIONS | SFT 199-1 | |
| Heat Capacity (Input) | Natural Gas / Propane | 28,500 – 199,00 BTU/H |
| Efficiency Ratings (NG & LP) | U.E.F | 0.9 |
| Flow Rate (DHW) | 35°F(19°C) Temp Rise | 10.1 GPM (38 L/m) |
| 45°F(25°C) Temp Rise | 7.9 GPM 30 L/m) | |
| 67°F(36°C) Temp Rise | 5.4 GPM (20 L/m) | |
| Dimensions – (W/H/D) | 17.7 in. x 29.8 in. x 10.9 in (450 mm x 757 mm x 277 mm) | |
| Weight (empty) – lb/kg | 68 /31 | |
| Installation Type | Indoor only wall-hung | |
| Venting Type | Forced Draft Direct Vent | |
| Electronic Ignition | ||
| Water Pressure | 40 – 150 PSI | |
| Min Gas Pressure (Nat. Gas or Propane*) – inch w.c. | 4 | |
| Max Gas Pressure (Nat. Gas or Propane*) – inch w.c. | 14 | |
| Natural Gas / Propane Supply Pressure (from source) | 5 in WC-14 in WC | |
| Minimum Flow Rate to activate DHW heating – USgpm | 0.5 | |
| Connection Sizes | Cold Water Inlet | 3/4″ Male NPT |
| Hot Water Outlet | 3/4″ Male NPT | |
| Gas Inlet | 3/4″ Male NPT | |
| Pressure Vessel water content – USG/Liters | 0.19 / 0.72 | |
| Ambient Temperature – Low (°F/°C) | 32 / 0 | |
| Ambient Temperature – High (°F/°C) | 122 / 50 | |
| Max relative humidity (non-condensing) | 90% | |
| Min water Temperature – Domestic Hot Water (°F/°C) | 105 / 40 | |
| Max water Temperature – Domestic Hot Water (°F/°C) | 149 / 65 | |
| Power Supply | Main Supply | 120Vac, 60Hz |
| Watts @ full fire | 100 watts | |
| Materials | Casing | Painted steel and plastic |
| Heat Exchangers | Copper tubes in AL block | |
| Venting | Intake & Exhaust | 2″ or 3″ PVC, CPVC, Polypropylene 2″ |
| Vent Clearances | 0″ to combustibles | |
| Safety Devices | Flame Proving module, Flue Gas Temperature Sensor, Protective fuse | |
| Certified design | ANSI Z21.10.3 • CSA 4.3 | |
| Freeze Protection | Yes | |
| TEMP | RISE |
| (°F) | GPM |
| 50 | 7.2 |
| 55 | 6.6 |
| 60 | 6 |
| 65 | 5.6 |
| 70 | 5.2 |
| 75 | 4.8 |
| 80 | 4.5 |
| 85 | 4.3 |
| 90 | 4 |
| 100 | 3.6 |
| 110 | 3.3 |
| 120 | 3 |
| 130 | 2.8 |
| 140 | 2.6 |
| VENTING | MAXIMUM EQUIVALENT LENGTH |
| Schedule 40 PVC, CPVC or PPs | (each side) |
| 2” | 65’ |
| 3” | 120’ |
| 2″ or 3″ 90′ Long Sweep Vent Elbow | Allow 5 equivalent feet |
| 2″ or 3″ 90′ Short Sweep Vent Elbow | Allow 8 equivalent feet |
| 2″ or 3″ 45′ Vent Elbow | Allow 3 equivalent feet |
| PPs | |
| PPs 87-90′ Elbow | Allow 8 equivalent feet |
| Flex PPS | |
| 3″ PPs Flex | (Max. 35) actual feet times 1.4 |
| SURFACE | DISTANCE FROM COMBUSTABLE SURFACES | RECOMMENDED DISTANCE FOR INSTALLATION & SERVICE |
| Front | 2” | 24” |
| Rear | 0” | 0” |
| Left Side | 1.5” | 6” |
| Right Side | 4” | 6” |
| Top | 2” | 24” |
| Bottom | 8” | 24” |
Connections
| DIMENSIONS /CONNECTIONS | ||
| DESCRIPTION | SFT UNIT | |
| A | Exhaust Outlet | 2″ Schedule 40 |
| B | Combustion Air | 2″ Schedule 40 |
| C | Cold Domestic Water Connection | 3/4″ Male NPT |
| D | Hot Domestic Water Connection | 3/4”” Male NPT |
| E | Gas Inlet | 3/4″ Male NPT |
| F | Condensate Outlet | 3/4″ Hose |
Touch Panel
| TOUCH PANEL | FUNCTION |
| A. Numerical display | Main display |
| B. Plus & Minus | Temperature adjustment |
| C. Flame | Burner ON indicator |
| D. Dot | Power ON indicator |
| E. Tap / Faucet | DHW indicator |
| F. Wrench | Service / Reset |
| G. Return arrow | Enter / Save |
| H. Numerical display | Service display |
Documentation
