SFT 199

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.

SIMPLE


A total of 4 moving parts – Unparalleled in the industry
New illuminated touchscreen control display panel
Built-in mixing valve to prevent temperature fluctuations
Improved hard water performance

Easy to install, maintain and service. Sleek wall mounted space saving design

 

RELIABLE


Proven patented single pass labyrinth heat exchanger
Fully integrated copper waterway
Innovative state-of-the-art electronic controller

EFFICIENT


Fully condensing
Low NOX low emissions
Up to 5.2 GPM continuous at a 70°F rise
Advanced temperature control

SPECIFICATIONSSFT-199
DHW – CSA Input (Natural Gas or Propane) – MBH28.5 – 199
DHW – CSA Input (Natural Gas or Propane) – KW8.3 – 58.3
U.E.F0.89
Min Gas Pressure (Nat. Gas or Propane) – inch w.c.5
Max Gas Pressure (Nat. Gas or Propane) – inch w.c.14
Power (Vac/60Hz)120
Weight (empty) – lbs/Kg68 /31
Pressure Vessel water content – USG/Liters0.19 / 0.72
Max Operating Pressure – Domestic Hot Water Coil – psig150
Approved installation altitude10,000 ft
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)34 / 1
Max water Temperature – Domestic Hot Water (°F/°C)149 / 65
Min flow rate to activate DHW heating – USgpm0.5
Max flow rate DHW heating – USgpm7
Max equivalent vent length 3″ (each side)120’
Max equivalent vent length 2″ (each side)35’

TEMPRISE
(°F)GPM
507.2
556.6
606
655.6
705.2
754.8
804.5
854.3
904
1003.6
1103.3
1203
1302.8
1402.6

VENTINGMAXIMUM EQUIVALENT LENGTH
Schedule 40 PVC, CPVC or PPs(each side)
2”35’
3”120’
2″ or 3″ 90′ Long Sweep Vent ElbowAllow 5 equivalent feet
2″ or 3″ 90′ Short Sweep Vent ElbowAllow 8 equivalent feet
2″ or 3″ 45′ Vent ElbowAllow 3 equivalent feet
PPs 
PPs 87-90′ ElbowAllow 8 equivalent feet
Flex PPS 
3″ PPs Flex(Max. 35) actual feet times 1.4

SURFACEDISTANCE FROM COMBUSTABLE SURFACESRECOMMENDED DISTANCE FOR INSTALLATION & SERVICE
Front2”24”
Rear0”0”
Left Side1.5”6”
Right Side4”6”
Top2”24”
Bottom8”24”

 DIMENSIONS /CONNECTIONS 
 DESCRIPTIONSFT UNIT
AExhaust Outlet3″ Schedule 40
BCombustion Air3″ Schedule 40
CCold Domestic Water Connection3/4″ Male NPT
DHot Domestic Water Connection3/4”” Male NPT
EGas Inlet3/4″ Male NPT
FCondensate Outlet3/4″ Hose


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