Piano Life Saver System Grand 8P

SKU: M220G-8
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Why Pianos Need The Piano Life Saver

The most important part of good piano maintenance is keeping the humidity as constant as possible. Because tuning instability and physical deterioration are the obvious results of continued humidity extremes, the installation of a Piano Life Saver System is the best way to ensure the piano is protected from the devastating effects of humidity changes.

The Piano Life Saver System consists of one or more Dehumidifier rods to lower humidity, one or more Humidifiers to add humidity, and a Humidistat which senses whether the wooden parts of the piano are too moist or too dry. Through a cycling action, the Humidistat is calibrated to create a separate environment within the piano, producing a range of humidity which, in turn, provides a stable moisture content in the wooden parts. This constant cycling action stabilises pitch and protects the piano from deterioration. Used in conjunction with the System to combat extreme air movement in the room, a Grand Undercover or Vertical Backside Cover may be mounted on the piano to further stabilize the pitch. In particular, Covers are recommended for use with the system when the piano is located in a church, institutional or commercial building


The Humidistat controls the Humidifier and Dehumidifier and comes with a 10-ft. power cord. Since 2006, new Dampp-Chaser Systems include either a model H-5 Humidistat or a model H-D Humidistat. Both Humidistats may be used in a grand or a vertical piano. The H-5 model is included in Systems that both humidify and dehumidify. The H-D model is used in Systems which only dehumidify.

All Humidistats offered in the U.K. are provided with three different calibrations to maintain pianos at the following levels of relative humidity:

  • Standard Humidistat averages 45% RH;
  • Wet Humidistat averages 50% RH; Used in highly humid climates, coastal areas, islands, etc.
  • Dry Humidistat averages 39% RH; Used in dry climates, western states, deserts, etc.


The Piano Life Saver System is made up of basic components which work together to control the humidity levels within your piano, maintaining the recommended relative humidity, no matter what the external conditions are.


CYCLECHA.jpg - 10669 Bytes Through a cycling action, the Humidistat is calibrated to create a separate environment within the piano, producing a narrow range of average humidity. When the Humidistat, located less than an inch from the soundboard, senses that the wood is dry, it turns the Humidifier on. Then, when the Humidifier has provided enough moisture to the soundboard, the Humidistat turns off the Humidifier and turns on the Dehumidifier. The Dehumidifier carries away moisture from the soundboard on air currents until the Humidistat senses that the soundboard is dry. The System again switches to the humidifying function. The cycle continues day after day, year after year, protecting your piano from external conditions.


Installed out-of-sight inside the piano, the System combats both dry conditions and highly humid conditions, keeping the humidity level in the piano consistent continuously.


  • Stabilizes pitch and permits tunings to hold much better and longer (the tuning will not go sharp or flat when the weather or room humidity changes)
  • Minimizes the expansion and contraction of action parts which provides optimum touch and predictable keyboard control
  • Prevents rust on the strings and metal parts
  • Minimizes felt deterioration, reducing the harsh tones that come from flattened hammer felt in low humidity or the muffled tones from swollen hammer felt in high humidity
  • Minimizes glue failure throughout the piano
  • Protects your piano's investment value year after year

These systems must be installed by a qualified piano technician. Please look at the area map below to locate your nearest qualified technician.

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 BSI Aproved

The Grand Piano Humidity Control System

The Piano Life Saver System is completely silent and installed on the underside of your piano. 

Grand Piano Installation

grand system diagram

The Piano Life Saver System as seen from beneath a Grand Piano

System Components:

Dehumidifier:  When the Humidistat senses the humidity level is too high, the dehumidifier carries away moisture on warm air currents until the Humidistat senses that the humidity level is appropriate.  

Humidifier:  When the humidity is too low, the humidifier adds moisture to the air inside the piano until the Humidistat senses that the RH level is high enough.  

Watering Tube:  When the yellow light blinks, the water tube permits you to easily add water to the System.  

Humidistat: This is the brain of the System. It senses whether the micro-climate within your piano is optimal and automatically switches the System to function as a Dehumidifier or Humidifier to protect your piano from damage caused by changes in humidity.

3-Light LED Panel: The panel features a green light marked POWER to indicate the System has electrical power and a yellow light marked WATER which blinks when the Humidifier needs water. If the System includes the optional Smart Bracket on the Humidifier tank, the red light marked PADS will blink when the pads are no longer wicking water, indicating they should be replaced.

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