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The Contactor® Chamber series consists of lower profile, lower capacity chambers used for septic installations with depth restrictions or where larger units are may not approved by the local authority. The Contactor 100 is our most popular low profile septic chamber. It typically meets most 3’ wide septic code regulations.

Available models:

Heavy Duty
Contactor 100RHD Heavy Duty Stand Alone/Starter Unit
Contactor 100EHD Heavy Duty Middle/End Unit

All information on this page is for the Heavy Duty version. For information on the Contactor 100 Standard Duty see the Contactor 100 Standard Duty page.

Please note: Although CULTEC septic products may be shipped to any location, we are currently most cost-effective in the following states: CT, MA, ME, NH, NY. And VT. Call for details
Unit of Measure


N/A 8.00 ft2.44 m

Installed Length

N/A 7.50 ft2.29 m

Length Adjustment per Run

N/A 0.50 ft0.15 m


N/A 36 in914 mm


N/A 12.50 in318 mm

Invert Height

N/A 6 in152 mm