Specification

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GPM = Gallons Per Minute
TECHNICAL INFORMATION
Model AT-910-18TP AT-910-24TP AT-910-27TP
Watts 18,000 24,000 27,000
Volts 240 240 240
Frequency 60 Hz 60 Hz 60 Hz
Product Dimensions (in)
17.375 x 5.25 x 13.375 17.375 x 5.25 x 13.375 17.375 x 5.25 x 13.375
Product Weight (Lbs) 17 17 17
Phase 2 2 2
Required Wire Size (minimum) 3 x 8 AWG 3 x 8 AWG 3 x 8 AWG
Total Connected Load: 75 100 112.5
Required Current
Breaker Size (Amps)
3*30 3*35 3*40
Breaker / Relay 3 x double-pole 3 x double-pole 3 x double-pole
Min. Activation Rate (gpm) 0.5 0.5 0.5
Min. operating temperature (°F) 36 36 36
Min. Temp (°F) / Max. Temp (°F) 90 / 135 90 / 135 90 / 135
Temperature Stability (°F) .+/– 0.5 .+/– 0.5 .+/– 0.5
Thermostat Manual Reset (°F) 185 185 185
Temp Overheat Protection Yes Yes Yes
Nominal Water Volume 3.7G (60 PSI) 3.7G (60 PSI) 3.7G (60 PSI)
Working Pressure 0.5–10 bar (7–145 psi) 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) 20 bar (290 psi)
Wall Mountable Yes Yes Yes
Water Connection Location Bottom of Unit Bottom of Unit Bottom of Unit
Water Connection Size (in.) 3/4" NPT 3/4" NPT 3/4" NPT
Residential / Commercial Both Both Both
Certifications ETL Listed ETL Listed ETL Listed
Splash Proof IP 54 IP 54 IP 54
2 years (parts only) 2 years (parts only) 2 years (parts only)
Warranty
Limited Warranty, Limited Warranty, Limited Warranty,
7 years free 7 years free 7 years free
from leakage from leakage from leakage
TECHNICAL INFORMATION
Model AT-910-18TP AT-910-24TP AT-910-27TP
Flow Rate @ 28°F Temp Rise: 4.41 GPM 5.83 GPM 6.35 GPM
Flow Rate @ 33°F Temp Rise: 3.95 GPM 4.97 GPM 5.4 GPM
Flow Rate @ 36°F Temp Rise: 3.6 GPM 4.5 GPM 4.9 GPM
Flow Rate @ 38°F Temp Rise: 3.2 GPM 4.3 GPM 4.62 GPM
Flow Rate @ 43°F Temp Rise: 2.91 GPM 3.95 GPM 4.33 GPM
Flow Rate @ 45°F Temp Rise: 2.85 GPM 3.6 GPM 4 GPM
Flow Rate @ 48°F Temp Rise: 2.6 GPM 3.45 GPM 3.78 GPM
Flow Rate @ 53°F Temp Rise: 2.42 GPM 3.1 GPM 3.56 GPM
Flow Rate @ 54°F Temp Rise: 2.4 GPM 3 GPM 3.3 GPM
Flow Rate @ 58°F Temp Rise: 2.2 GPM 2.9 GPM 3.05 GPM
Flow Rate @ 63°F Temp Rise: 2 GPM 2.5 GPM 2.8 GPM
Flow Rate @ 68°F Temp Rise: 1.9 GPM 2.45 GPM 2.63 GPM
Flow Rate @ 74°F Temp Rise: 1.7 GPM 2.2 GPM 2.5 GPM
Flow Rate @ 81°F Temp Rise: 1.6 GPM 2 GPM 2.2 GPM