IBC SFT-199 Superflow Condensing Tankless Water Heater

Brochure & Specifications

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.

SPECIFICATIONS	SFT 199
DHW – CSA Input (Natural Gas or Propane) – MBH	28.5 – 199
DHW – CSA Input (Natural Gas or Propane) – KW	8.3 – 58.3
U.E.F	0.89
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/Kg	68 /31
Pressure Vessel water content – USG/Liters	0.19 / 0.72
Max Operating Pressure – Domestic Hot Water Coil – psig	150
Approved installation altitude	10,000 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 – USgpm	0.5
Max flow rate DHW heating – USgpm	7
Max equivalent vent length 3″ (each side)	120’
Max equivalent vent length 2″ (each side)	35’

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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

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VENTING	MAXIMUM EQUIVALENT LENGTH
Schedule 40 PVC, CPVC or PPs	(each side)
2”	35’
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

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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”