Rinnai EX38DTN Natural Gas Direct Vent Wall Furnace Category_Wallbox It is used during repair

It is used during repair work when the lower valve body section needs replacement

Refrigerated non-filtered water

Confirm the STPU-3000 OB SKU

Confirm your system model and replacement interval before purchase

Rinnai EX38DTN Natural Gas Direct Vent Wall Furnace Category_Wallbox It is used during repairRinnai EX38DTN Direct Vent Wall Furnace Natural Gas (NG), Beige The Rinnai EX38DTN provides powerful, efficient Natural Gas heating in a quiet, compact wall mounted design. This beige finish model blends seamlessly with warm interiors while delivering the same high output performance as the EX38DTW series. Ideal for large rooms, basements, additions, and hard to heat areas, the EX38DTN uses sealed combustion to maintain safe, clean indoor air. Key