Model 100M-3 Mixer Only 2-1/16" Air Horn

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The Model 100 is a single diaphragm air-gas valve mixer. It offers a 90 degree air inlet to provide low overhead clearance, and is available with several Air Horn and throttle body options. This unit is available for LPG Vapor and Natural Gas applications with air flow requirements up to 197 CFM (93 L/s). The Model 100 is also available for feedback applications with the ‘FB’ designation.

The 100 mixer provides a convenient 1/8 NPT balance port and two separate air valve vacuum ports. Additional low speed, idle mixture control can be obtained to lean air/fuel mixtures through the use of optional shims.



Fuel Type

LPG Vapor or Natural Gas

Inlet Pressure

-1.5” w.c. (-0.37 kPa)

Operating Temperature Range

-40°F to +250°F (-40°C to +121°C)

Mounting Position


Diaphragm Material

Hydrin or Silicone

HP/kW Rating

106 HP (79 kW) @ 170 CFM (80 L/s) and 1.5” in Hg manifold depression


123 HP (91.7 kW) @ 197 CFM (93 L/s) and 2.0” in Hg manifold depression