The H8908B Humidistat provides manual low voltage (24 vac) control of humidifiers, in central heating and air conditioning systems. The H8908B has a SPST, snap-acting, dust-proof switch and designed for wall or surface duct mounting.
Specifications:
SPST, snap-acting, dust-proof switch
Positive ON and OFF settings
Twelve-inch ribbon of thin nylon ribbon
Mounts in duct or on wall surface