TheGV90+ includesabypasscirculatorandsystemcirculator. ThedesignoftheGV90+ includesextrawidewaterways. Thesechannelsareablessingforoldersystemswheredebrismaybepresent. Widerwaterwaysimproveflowwithintheboilerandpreventbuildupwhichcanlimitefficiency.
- 91% AFUE efficient
- Durable cast iron primary heat exchanger
- Condensing stainless steel secondary heat exchanger
- Unique 7 pass heat exchanger design maximizes heat transfer
- Vents with PVC
- Multiple ventilation options direct vent direct exhaust concentric
- Easy conversion to propane kit included