Herga Mushroom Air Button w/o Tubing [White] (6439-CZZZ) pumpmotors The M7 platform and 4

The M7 platform and 4

When a heater replacement needs to restore more than just raw heating output

When a topside becomes unreliable or difficult to read

1-1/2 inch spigot x 1-1/2 inch slip main connection

Herga Mushroom Air Button w/o Tubing [White] (6439-CZZZ) pumpmotors The M7 platform and 4A mushroom air button helps provide pneumatic control activation in a compatible system, and this Herga Electric white version is supplied without tubing using the 6439 CZZZ reference. Air buttons are useful because they allow a remote pneumatic switch action while keeping electrical switching away from the user contact point. This part has practical value because the without tubing configuration is helpful when existing tubing remains serviceable or