Specification
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GPM = Gallons Per Minute
TECHNICAL INFORMATION TEMPERATURE RISE CHART
Model AT-910-18TP AT-910-24TP Model AT-910-18TP AT-910-24TP
Watts 18,000 24,000 Flow Rate @ 28°F Temp Rise: 4.41 GPM 5.83 GPM
Volts 240 240 Flow Rate @ 33°F Temp Rise: 3.95 GPM 4.97 GPM
Frequency 60 Hz 60 Hz Flow Rate @ 36°F Temp Rise: 3.6 GPM 4.5 GPM
Product Dimensions (in)
17.375 x 5.25 x 13.375
17.375 x 5.25 x 13.375
Flow Rate @ 38°F Temp Rise: 3.2 GPM 4.3 GPM
Product Weight (Lbs) 17 17 Flow Rate @ 43°F Temp Rise: 2.91 GPM 3.95 GPM
Phase 2 2 Flow Rate @ 45°F Temp Rise: 2.85 GPM 3.6 GPM
Required Wire Size (minimum) 3 x 8 AWG 3 x 8 AWG Flow Rate @ 48°F Temp Rise: 2.6 GPM 3.45 GPM
Total Connected Load: 75 100 Flow Rate @ 53°F Temp Rise: 2.42 GPM 3.1 GPM
Required Current
Breaker Size (Amps)
3*30 3*35
Flow Rate @ 54°F Temp Rise: 2.4 GPM 3 GPM
Breaker / Relay 3 x double-pole 3 x double-pole
Flow Rate @ 58°F Temp Rise: 2.2 GPM 2.9 GPM
Min. Activation Rate (gpm) 0.5 0.5
Flow Rate @ 63°F Temp Rise: 2 GPM 2.5 GPM
Min. operating temperature (°F) 36 36
Flow Rate @ 68°F Temp Rise: 1.9 GPM 2.45 GPM
Min. Temp (°F) / Max. Temp (°F) 90 / 135 90 / 135
Flow Rate @ 74°F Temp Rise: 1.7 GPM 2.2 GPM
Temperature Stability (°F) .+/– 0.5 .+/– 0.5
Flow Rate @ 81°F Temp Rise: 1.6 GPM 2 GPM
Thermostat Manual Reset (°F) 185 185
Temp Overheat Protection Yes Yes
Nominal Water Volume 3.7G (60 PSI) 3.7G (60 PSI)
Working Pressure
0.5–10 bar (7–145 psi) 0.5–10 bar (7–145 psi)
Maximum Tested Pressure 20 bar (290 psi) 20 bar (290 psi)
Wall Mountable Yes Yes
Water Connection Location Bottom of Unit Bottom of Unit
Water Connection Size (in.) 3/4" NPT 3/4" NPT
Residential / Commercial Both Both
Certifications ETL Listed ETL Listed
Splash Proof IP 54 IP 54
2 years (parts only) 2 years (parts only)
Warranty
Limited Warranty, Limited Warranty,
7 years free 7 years free
from leakage from leakage