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Rheem RTGH-84DVLN 8.4 GPM Direct Vent Tankless Water Heater (NG)
This item ships freight. Need a liftgate? Details.
Freight deliveries require a delivery time be scheduled and someone must be present at the time of delivery to inspect and sign for the merchandise. A representative from the freight carrier will call the phone number entered at checkout to schedule the delivery.
For freight deliveries, you have the option of adding a liftgate to your delivery. A liftgate is the device that lowers a product from the truck to ground level.
CPO recommends adding liftgate service for freight deliveries exceeding 100 lbs if you do not have a loading dock or fork lift at the delivery address. Additional charges may apply. The liftgate option will be presented during the checkout process.
Please note that liftgate service only ensures the product is removed from the truck. We recommend you have the additional help of two to four people to move the product to its desired location because drivers are not required to assist.
Requesting liftgate service after ordering may result in additional charges and delays.
Installation was very predictable. More plumbing with valve set which should probably be used in all installations. Required 3/4 in gas line. Venting was a bit more involved that standard water heater but only required another hour or so with running intake and exhaust w PVC. All in all not too difficult just think your way thru it before installing. First unit arrived dented in a torn box but CPO shipped a replacement within an hour of the 1st unit being dropped off for return at UPS.
Although this is a good size water flow producing unit (84 series), i wouldnt try a smaller model. Showers dont use much flow bathtubs do tho.
I love it, i no longer need to schedule clothes washing, as this hot water is continuous. A water tank needs to heat up again, but not this unit.
This (H) model dose not use a chimney, but rather a vent. This style is nessesary when using a High Efficiency furnance, as in my reagion a hot water heater cant be connected to a chimnly, unless a furnace is also connected to that same chimney. Most fumes arnt hot enough to escape the chimney with out a furnace, and will make the chimney fall apart.
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Picture shows intake & exhaust PVC of newer model Rheem RTGH-84DVN Condensing Tankless Water Heater. Specs. say it takes 3" x 5" concentric vent older model Rheem RTGH-84DVLN. Please confirm what it is.
For intake the recommendations is a 3" PVC to external source. I have a 96% efficient furnace that also uses PVC intake and exhaust (4") the intake is internal to the house, the area where the furnace and water heater are located has a 6 in pipe from the outside that is always open, is it acceptable to plumb the intake internally like the furnace, the exhaust would still be run as per specifications externally.