Brochure

240H SERIES
Specifications
The 240H series offers high efciency Ultra-Low NOx condensing technology
allowing for the use of 3” PVC venting and has 0” clearance to combustibles. Indoor
models have an integrated temperature controller and outdoor models include a
remote control as a standard feature.
Model Number* Type
Gas Consumption Input Inlet Gas Pressure**
UEF
Minimum
(BTU/H)
Maximum
(BTU/H)
Minimum
(in. W.C.)
Maximum
(in. W.C.)
ATI-240H-N Natural 15,000 160,000 4.0 10.5 0.94
ATO-240H-N Natural 15,000 160,000 4.0 10.5 0.95
*For propane models, change “N” to “P”
**For propane models, minimum fire rate is 13,000 BTU/H, minimum inlet gas pressure is 8.0 in. W.C. and maximum inlet gas pressure is 14.0 in. W.C.
CONDENSING
Model Number*
Maximum
GPM
Hot/Cold
Connections
Gas
Connection
Clearances (in.)
Approx
Shipping
Weight (lbs)
Top Bottom Side Front
ATI-240H-N 6.6 3/4" NPT 3/4" NPT 12 12 3 4 71
ATO-240H-N 6.6 3/4" NPT 3/4" NPT 36 12 3 24 69
ANSI Z21.10.3 • CSA 4.3
240H
Temperature
Settings
Built In / without remote 120°F (default) 140°F
With 100209924 remote (max. distance 400’ from heater, non-polarized 20 gauge wiring.)
100°F to 140°F with 5°F intervals (9 options), 120°F Default Factory Setting
Electric 120 V 73 W / 0.61 A (Operation) 3 W / 0.03 A (Standby) 174 W / 1.5 A (Freeze-Protection)
ATO-240HATI-240H
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