SMART-GUARD Electronic zero air loss drain

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The SMART-GUARD zero air loss condensate drain provides effective and efficient condensate removal while saving you time and money.

With innovative features like a remote alarm contact, a test button, LED indicator lights and an optional heater for cold weather applications, the SMART-GUARD is the optimum choice for reliable, energy saving condensate removal.

The compact robust Industrial housing, 2/2 way direct acting valve with a large orifice, digital sight-port/level indicator, alarm N/C or N/O and the integrated mesh strainer make the SMART-GUARD a highly reliable draining solution.

For quick and easy installation and maintenance, all models include a six foot power cord and feature a removable electronic module and top cover, allowing you to disassemble the drain without disconnecting any pipe work.

The SMART-GUARD meets the demand of virtually any application, covering all compressed air systems up to 3500 CFM.

The 115VAC version of this drain is supplied with a 6 ft. power cord with plug and the 230VAC version is supplied with a 7 ft. power cord.



Robust aluminium housing with three inlet options, offering you installation flexibility.


Digital, LED illuminated, sight-port/level indicator digitally showing you the condensate level inside the reservoir and enabling you to monitor the SMART-GUARD's operation, even in poor lit places.


Extremely easy to disassemble, offering dissasembly simplicity and time saving during routine maintenance.


Max. compressor capacity 3500 CFM
Max. drainage capacity U1/U2 version 29 gallons per hour at 230 psi (16 bar)
110 liters per hour at 230 psi (16 bar)
Max. drainage capacity U3/U4 version 176 gallons per hour at 230 psi (16 bar)
665 liters per hour at 230 psi (16 bar)
Pressure range 0 - 230 PSI (0 - 16 bar)
Valve type 2/2 way, direct acting
Valve orifice 4 mm
Valve seals FPM
Inlet connections 1/2" NPT, 3 inlet options
Inlet height 4.5" (top) and 2.9" & 0.6" (side)
Outlet connection 1/4" with hose pipe connector
Medium temperature 34 - 122 °F
Ambient temperature 34 - 122 °F
Supply voltage options 230VAC / 115VAC / 24VAC / 24VDC
Power and alarm connectors DIN 43650-B
Serviceable valve Yes
TEST feature Yes
Housing material Corrosion resistabt aluminium
Environmental protection NEMA4 (IP65)
Integrated mesh strainer Yes
California Proposition 65 See manual