Rinnai 2″x4″ Polypropylene Vertical Starter Adapter 7.9″ Vent MFG# 227413

Overview

Rinnai Polypropylene Venting 2″ × 4″ Vertical Starter Adapter – 7.9″ (MFG# 227413)This Rinnai 2″ × 4″ Vertical Starter Adapter is part of Rinnai’s high-efficiency PPTL (polypropylene) venting system, designed for use with select Rinnai tankless water heaters. The adapter transitions the system into a vertical vent run, providing a secure and thermally stable connection.Constructed from durable high-temperature polypropylene, this adapter offers long-lasting resistance against heat, moisture, and acidic exhaust byproducts. At 7.9 inches in length, it delivers proper vent alignment and optimized airflow for vertical installations.Features & Benefits✔ Genuine Rinnai OEM polypropylene venting component✔ Size: 2″ × 4″ vertical starter adapter✔ 7.9-inch extension for vertical venting setup✔ Corrosion-resistant polypropylene—ideal for condensing tankless models✔ Lightweight, secure, watertight molded construction✔ Designed for natural gas & propane Rinnai tankless systemsApplicationsResidential & commercial tankless water heater ventingBeginning a vertical 2″ × 4″ polypropylene vent runReplacement part for damaged or weathered adaptersApproved for high-efficiency condensing exhaust systemsThis is a genuine Rinnai venting component—perfect for installers, HVAC technicians, and tankless service professionals.

Product details

Package includes

• Rinnai 2"x4" Polypropylene Vertical Starter Adapter 7.9" Vent MFG# 227413

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.