Hot-Cold Water Faucet: Make Right Choice

Civil Engineer / Content Writer


A faucet (tap) is basically a valve controlling the release of water from supply lines.
Henceforth, it is necessary to choose the right faucet for a particular fixture keeping in mind its use with almost no or negligible wastage of water. Where ever possible, one should opt for faucet with the highest WELS (Water Efficiency Labeling Scheme) rating to save water and energy and merely saving precious resources of mother earth. Popular faucets for simultaneous flow of hot and cold water supply are:

01. Mixer Taps:

They either have single or 2 handles on either side of a single spout. Hot and cold water are mixed in the body of the tap. The temperature of water is set by controlling/regulating flow of hot and cold water.

Courtesy - Elegant Showers

Advantages

Disadvantages

  • Only one tap for hot and cold water
  • Affordable
  • Hot & cold water gets mixed to the proportion of how much each tap do you open. So you can get hot/cold water of desired temperature
  • Some mixers may require relatively high pressure to work properly.

02. Pillar Tap

Two separate taps, one for each temperature hot and cold.

Courtesy - Victorian Plumbing

Advantages

Disadvantages

  • Affordable
  • Easy to install
  •  Two separate taps
  • One has to remember hot water and cold water tap before using it.
  • Hot and cold water does not get mixed in tap itself i.e. at delivery point. One has to mix subsequently to get comfortable temperature.

03. Monoblocs

Same as Mixer taps but the temperature and flow both is controlled by one handle only. Hot and cold water are mixed in the body of the tap. The temperature of water is set by controlling/regulating flow of hot and cold water.

Courtesy - eBay

Advantages

Disadvantages

  • Only one handle
  • It can twist sideways for temperature control
  • Moves up and down for flow control
  • Hot & cold water gets mixed to the proportion of how much each tap do you open. So you can get hot/cold water of desired temperature
  • Higher cost

04.  Diverter

A diverter is a valve installed in faucets assembly to divert water from tub faucet to showerhead and vice versa. In case of multiple shower heads diverter diverts water to every shower head.

functions of diverter:

  • allows only cold water at tap
  • allows mix of hot-cold water at tap
  • diverts water to different shower heads (shower, hand shower).

It is either turned clockwise and counter clockwise or pulled and pushed to divert incoming water. When diverter is turned clockwise (or pushed in case of pull and push diverter) water is directed to taps and on turning it to counter clock wise (or pulled up) water is directed to shower head or hand shower.

Advantages

Disadvantages

  • One diverter valve is enough to divert water at different faucets
  • Reduces the number of taps and connections
  • Higher cost
  • Possibility of water leakage
  • Needs skilled plumber to install and repair it

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