SpecDirectory

Velocity Boiler Works PHX1000LvsWeil-McLain SF1000

Side-by-side commercial boiler comparison

Velocity Boiler Works PHX1000L

Thermal Efficiency

97%

Input Rate

999MBTU/hr

Turndown Ratio

9.00

Application

Indoor

Weil-McLain SF1000

Thermal Efficiency

95.8%

Input Rate

1000MBTU/hr

Turndown Ratio

5.00

Application

Indoor

Key differences

Both models are closely matched on thermal eff: 97.0 vs 95.8 %. The Weil-McLain SF1000 is larger at 1000 MBTU/hr versus 999 MBTU/hr. Overall, the Velocity Boiler Works PHX1000L sits higher in the category, ranking above 61% of certified commercial boilers.

Performance

SpecVelocity Boiler WorksWeil-McLain
Thermal Efficiency(%)9795.8
Full-Load Input Rate(MBTU/hr)9991000
Turndown Ratio9.005.00

Configuration

SpecVelocity Boiler WorksWeil-McLain
ApplicationIndoorIndoor
Control TypeMulti-stageMulti-stage
Model NameAMPSF1000

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