Description
The Wunder-Bar Mark 4 M48 is the 8-button post-mix bar gun configuration in red body, the workhorse moderate-volume variant of the Mark 4 platform. Six carbonated buttons handle branded sodas (Coke, Diet Coke, Sprite, ginger ale, club soda, tonic) and two flex lines round out plain water and soda. The Mark 4 platform has been the dominant bar gun in American bars for two decades.
8 vs 10 vs 14 Button
8-button is the right call for small to moderate bars where the cocktail menu is focused on classic builds. 10-button adds capacity for non-carbonated mixers (juice, sour mix). 14-button is for high-volume cocktail bars running complex menus. The Mark 4 hardware is identical across all three; the difference is button count and lever spread.
Why Mark 4 Dominates
Lever action holds calibration through years of heavy service. Parts are universally available – every distribution tech knows the platform. Service techs report Mark 4 outlasts competing platforms in heavy use. The red body color is one of several available; pick whichever matches your bar aesthetic since it has no functional impact.
Service and Parts
Full rebuild kits, replacement triggers, button covers, and hose assemblies available. Most service parts ship same-day from in-stock inventory. Pair with Wunder-Bar’s syrup BIB rack and CO2 regulator for a complete post-mix installation.
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