Williamson-Thermoflo GL - AHRI Ratings; Performance Ratings Table

Model GL indirect-fired water heaters — Product Manual
AHRI ratings
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


First Hour
Rating
Continuous
Draw Rating
Minimum
Heat Output
Rate
Minimum
Heat Source
Flow Rate
Heat Source
Friction Loss
First Draw
Rating
Standby
Loss
GPH GPH Btu/hr GPM Feet w.c. GPH
Degrees F
per hour

160 140 115 10 2.5 20 1.5

201 176 125 11 4.0 25 1.2

229 189 140 12 7.7 40 1.0

237 192 175 12 6.5 45 0.8

340 280 220 14 8.0 60 0.7
®
Part number GL-E224-ADOC 0413
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