Maintenance & Parts
Buying Direct from InterVac: Warranty, Parts and Support
What buying direct actually gets you: warranty handled by us, parts for models with no product page, free shipping over $199, and people who know the systems.
A Yearly Central Vacuum Maintenance Schedule
A simple schedule for central vacuum maintenance: what to do at every bag change, every six months and once a year, with realistic times for each task.
Which InterVac Dust Bag Fits Your Model?
A complete fitment guide to every InterVac dust bag: Y08, Y09, Y10, Y11 and Y20 by model, including rebranded Dometic units and the two bags people mix up.
Weak Vacuum Suction: A Step-by-Step Diagnostic Checklist
Work through weak vacuum suction in order, cheapest cause first: bag, filter, hose, inlet seal, pipe, then motor. Here is what each symptom actually points to.
Looking After a Vacuum Stretch Hose So It Lasts
A stretch hose almost always fails at the cuffs rather than in the middle. Here is how to store, clean and inspect one so it keeps its recoil for years.
Genuine Vacuum Dust Bags vs Aftermarket: What You Are Really Buying
Aftermarket packs look identical and cost less. Here is what actually changes when you skip genuine vacuum dust bags, from seal fit to motor wear to warranty cover.
Motor Filters and Exhaust Filters: What Each One Actually Does
A motor filter protects the motor. An exhaust filter protects the air you breathe. Here is what each one does, how often to change it, and which part fits your system.
How Often Should You Change a Central Vacuum Bag?
Waiting until the bag looks full is the wrong signal. Here is when to change a central vacuum bag, why suction drops long before it fills, and how the motor filter fits in.