The Zerostart 3200001 120 Volt 375 Watt Lower radiator hose engine heater has 1″ ID Hose connections, includes power cord and hose clamps.
• Installs in minutes in non-corrugated lower radiator hose
• Thermostatically protected (245°F maximum heater temperature)
• Hose must have a minimum 15° rise.
• Must be installed in smooth, molded hose.
• Must have direct access to engine water jacket