The best replacement for regulator is conformer.

The best alternatives to regulator are rated as following:
★★★★★  conformer
★★★★  contender
★★  motor
★★  yellowfin
★★  expansion chamber
★★  rectifier
★  control valve
★  alternator
★  grady white
★  pursuit
★  boston whaler
★  window motor
★  valve
★  motor window
★  transistor
★  jupiter
★  fuel pump
★  flow meter
★  surge protector
★  converter
★  linear regulator
  alternator bad
  pressure regulator
  unbalanced
  stator
  resistor
  southport
  pressure control valve
  controller
  pressure reducing
  piston regulator
  cognator
  diaphragm
  seacraft
  avr

Your alternative for regulator is not listed? Suggest!
Speaking about regulator, one probably shouldn't forget about hose.

Other search terms related to regulator and their ratings are:
★★★★★ hose
★★★★ zener
★★★ flow meter
★★★ zener diode
★ backflow
★ 2 hoses
microcontroller
You have in mind a companion for regulator and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of regulator in all years. Click on graph for more.
regulator
conformer
contender