Free shipping in Canada on all heaters*
By appointment only
For HUUM EXTBOX: four-pole, 63 A contactor. Match the original contactor rating and module version.
Manufacturer part number: CONTACTOR-EXTBOX.
Send the model, serial number and a photo of the original part or rating plate so we can confirm the replacement before ordering.
Google Reviews
Independent feedback from our Google Business Profile.
Request this part
Send your heater model and serial number. We’ll confirm the fit and provide a quote before you order.
$209.45 CAD
Email a requestStart your project
From a first heater question to a complete custom sauna, our team will help with products, sizing and delivery.
Barrie, Ontario260 Bayview Drive, Barrie, ON L4N 4Y8 · Head office & pickup
Vancouver, British Columbia3001 Wall St., Vancouver, BC V5K 1B5 · Pickup by appointment
Head office hoursMon–Fri 9:00–18:00 · Sat 9:00–16:00 · Sun by appointment
