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The Rinnai 184118-S is an 18" Metal Inner Exhaust/Outer Intake, Roof Discharge Termination for HE+/HE 3"/5" Non-Condensing Tankless Water Heater Vent. This roof discharge termination is constructed of metal for the inner exhaust and outer intake. Designed for use on 3 Inch/5 Inch Non-Condensing Tankless Water Heater Vents and HE/HE+ models.
This Rinnai roof discharge termination provides a secure and efficient venting solution for compatible tankless water heaters.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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