Nuova Simonelli Expansion Valve Complete /holiday-hosting so this is a direct-fit

so this is a direct-fit part built to the original four-hole mounting flange

Super Best

comfortable DIYers can do this

Totally saturate filter pad with water before using for the first time

Nuova Simonelli Expansion Valve Complete /holiday-hosting so this is a direct-fitNuova Simonelli Expansion Valve Complete This complete expansion valve, 1 4" male x 1 4" male, is used in almost every Nuova Simonelli model. Simonelli #72012007. SPECIFICATIONS Dimensions: 59mm overall length, 37mm body length, 22mm hexagonal body Thread Size: 1 4" male x 1 4" male COMPATIBILITY Fits: Nearly all Nuova Simonelli models Replaces: Nuova Simonelli part #72012007 Works with: Machine hydraulic circuit INSTALLATION Moderate difficulty;