Hubbell J64 Hot Water Booster - 4 Kw The Hubbell J64 is a heavy duty ASME Section VIII designed hot water booster heater. This machine is constructed with a stamped all stainless steel tank which does not require an internal tank lining. For improved appearance and longevity the Hubbell... Compare
Hubbell J639 Hot Water Booster - 39 KW The Hubbell J639 is a heavy duty ASME Section VIII designed hot water booster heater. This machine is constructed with a stamped all stainless steel tank which does not require an internal tank lining. For improved appearance and longevity the Hubbell... Compare
Hubbell J636 Hot Water Booster - 36 KW The Hubbell J636 is a heavy duty ASME Section VIII designed hot water booster heater. This machine is constructed with a stamped all stainless steel tank which does not require an internal tank lining. For improved appearance and longevity the Hubbell... Compare