Nuova Simonelli Expansion Valve Complete common-universal-parts/astoria-pressure-gauges-electrical-various replacing it restores precise

replacing it restores precise

so current coils are printed "Parker

protecting the boiler from over-pressurization on Millennium

Works with: the single-group boiler assembly

positioned on the far left

Nuova Simonelli Expansion Valve Complete common-universal-parts/astoria-pressure-gauges-electrical-various replacing it restores preciseNuova 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;