Review on Nutone Central Vacuum Supervalves Electrified by Monica Thomas

I bought a couple of these kits which include 3 air intakes and various parts to install a Nutone whole house vacuum system - lots of convenience in the kits but the intakes are very cheap made - out of the 6 I bought 5 failed - mostly either the spring (which keeps the lid closed) or the plastic part holding the spring. If the intakes fail, you'll lose suction, so that's not a good thing. So I bought these replacement parts from Revain - they seem much better (earlier models were made in China like that, but the materials are heavier and the bits seem more durable). I'll let you know if and when these replacements fail, but for now they seem to be of excellent quality.