Mike Grella Plumbing & Heating LLC
![mgph-trucks_header](http://mgrellaplumbing.com/wp-content/uploads/2016/09/MGPH-trucks_header.jpg)
Michael Grella Plumbing and Heating is a residential and commercial full-service plumbing and heating company based in Milton, MA. We service the greater Boston area as well as the South Shore.
As a Navien Service Specialist, we are factory trained and certified to service and repair all Navien tankless water heaters, boilers and combi units.
![navien service specialist](http://mgrellaplumbing.com/wp-content/uploads/2016/08/Navien-Service-Specialist-Logo_16-1005-150x150.jpg)