Are munchkin boilers any good? Munchkin Boiler Reviews- Munchkin offers small boilers for residential and light commercial use with efficiency AFUE ratings from 92% AFUE to 95% AFUE* that range in capacities from 18,000 BTUh to 399,000 BTUh. Munchkin hot water boilers can be easily converted from natural gas to propane gas and use sealed combustion technology.How do i special order my munchkin parts? Other Munchkin parts can be special ordered. If you already know your part number, several of the main Munchkin parts are sorted sequentially in the left column on this page. Otherwise, in the right column choose your boiler's model number for the appropriate parts list (your model number and version can be located on your unit).Can a munchkin boiler be converted from natural gas to propane? Munchkin hot water boilers can be easily converted from natural gas to propane gas and use sealed combustion technology. It is imperative that you install and boiler properly within the manufacturers parameters and installation instructions.How reliable is my munchkin? My Munchkin has been reliably heating my Maine house for 15 years with zero problems. I don’t use it for hot water but do have the hot water loop heating a swimming pool.
HTP Munchkin Boiler Overview. The Heat Transfer Products Munchkin is a discontinued fully modulating gas boiler with an efficiency of 90% AFUE. It featured a stainless steel heat exchanger for optimal heat transfer and resistance to corrosion, and its compact, lightweight design provided greater installation flexibility.