Yes. Any residential type pressure reducer should work. Watts Brass & Tubular N55BU M1-3/4 Water Pressure Reducing Valve
Didn't add the link, just posted it so that you can copy and Google it. It's 3/4". your reg will be sized by the piping it connects to.
Having a boiler drain on the other side of the regulator will allow you to accurately adjust the pressure and also by installing it with a union on both inlet and outlet you can easily remove it for winterizing. Not sure if that would be necessary, but then again I've never been to your camp.