Vertical Dampp Chaser Systems

Vertical Dampp Chaser System5PS 50 SB Five part system with H-5 Humidistat, one extendible 48 inch, 50- watt Dehumidifier, and one Universal Tank Humidifier with Smart Bracket.
Our recommended choice for most vertical pianos.

BSV9PS Backside Vertical 9-Part System includes H-5 Humidistat, four 18-inch, 18-watt Dehumidifiers and two Humidifiers to be installed in the back of the piano. Acoustic cloth back cover included.
This system is ONLY AVAILABLE with a smart bracket.

Placing an Order

To place an order:

  1. Fill out either of the forms below
  2. Be sure to include your Customer Account number
  3. Depending on the form, either Submit or Print and Fax

Online Order Form
Fax Order Form

Your order will be confirmed prior to shipping.

Thank you for your interest in our products. All orders must include a customer account number assigned by Paul L. Jansen & Son, Inc. For information on finding retailers or becoming a retailer please email us at