The Zerostart 3300091 41 Series, 2000 Watt 120 Volt circulation heater has 5/8″ hose bead coolant connections. It is thermostatically controlled (ON @ +165°F Off @ +205°F) and has a 22″ Power Cord. Hose clamps, mounting bracket & adapters are included.
Vertical installation only.
Rugged cast aluminum construction is corrosion and impact resistant.
Replaceable element 3300093.