Adjustable High-Low Pressure Settings


The Model A – Double is a high-low gas pressure switch that monitors pressure and cuts off the electrical control circuit when pressure rises above or drops below the desired set point. The high and low gas pressure settings are adjustable. All models are available in reset or recycle type.

  • Rugged die-cast aluminum construction
  • Mounts horizontally without leveling
  • Cost-effective pricing
  • Custom design per OEM specifications available

This item is available in the following models:

SwitchModelResetRangesRange
RHLGP-A804112101Automatic Reset2" to 16" W.C. (50 to 400 mm)1" to 6" W.C. (25 to 150 mm)
RHLGP-A804112102Automatic Reset5" to 28" W.C. (125 to 700 mm)1" to 6" W.C. (25 to 150 mm)
RHLGP-A804112103Automatic Reset10" to 50" W.C. (250 to 1,250 mm)1" to 6" W.C. (25 to 150 mm)
RHLGP-A804112104Automatic Reset2" to 16" W.C. (50 to 400 mm)2" to 14" W.C. (50 to 350 mm)
RHLGP-A804112105Automatic Reset5" to 28" W.C. (125 to 700 mm)2" to 14" W.C. (50 to 250 mm)
RHLGP-A804112106Automatic Reset10" to 50" W.C. (250 to 1,250 mm)2" to 14" W.C. (50 to 350 mm)
RHLGP-A804112107Automatic Reset5" to 28" W.C. (125 to 70 mm)6" to 24" W.C. (150 to 600 mm)
RHLGP-A804112108Automatic Reset10" to 50" W.C. (250 to 1,250 mm)6" to 24" W.C. (150 to 600 mm)
RHLGP-A804112109Automatic Reset10" to 50" W.C. (250 to 1,250 mm)10" to 50" W.C. (250 to 1,250 mm)
HLGP-A804111701Manual Reset2" to 16" W.C. (50 to 400 mm)1" to 6" W.C. (25 to 150 mm)
HLGP-A804111702Manual Reset5" to 28" W.C. (50 to 400)1" to 6" W.C. (25 to 150 mm)
HLGP-A804111703Manual Reset10" to 50" W.C. (250 to 1,250)1" to 6" W.C. (25 to 150 mm)
HLGP-A804111704Manual Reset2" to 16" W.C. (50 to 400 mm)2" to 14" W.C. (50 to 350 mm)
HLGP-A804111705Manual Reset5" to 28" W.C. (125 to 700 mm)2" to 14" W.C. (50 to 350 mm)
HLGP-A804111706Manual Reset10" to 50" W.C. (250 to 1,250 mm)2" to 14" W.C. (50 to 350 mm)
HLGP-A804111707Manual Reset5" to 28" W.C. (125 to 700 mm)6" to 24" W.C. (150 to 600 mm)
HLGP-A804111708Manual Reset10" to 50" W.C. (250 to 1,250 mm)6" to 24" W.C. (150 to 600 mm)
HLGP-A804111709Manual Reset10" to 50" W.C. (250 to 1,250 mm)10" to 50" W.C. (250 to 1,250 mm)

View Owner’s Manual for all Model A – Double Models | View Spec Sheet for all Model A – Double Models