The exhaust is in the center so that the outside of the vent does not heat up.
Bosch tankless water heater vent kit.
The greentherm 9000 series indoor models were specifically designed with top connections for water integrated drain ports so isolation valves are not needed and a unique integrated sensor technology that auto calibrates making the switch to tankless water heating quick and easy.
In particular the company offers bosch tankless point of use water heaters bosch solar thermal systems bosch wall hung boilers bosch geothermal heat pumps as well as controls and accessories for every product line.
A concentric vent kit has both the intake and the outgoing in the same pipe.
Boschcon03 3 diameter furnace concentric vent kit the boschcon03 concentric vent kit makes it possible to use the optimal two pipe installation for these products while only cutting one hole through the wall or roof when venting.
This concentric vent kit is for use with all bosch tankless water heaters.
There are concentric and dual.
This kit includes all of the stainless steel venting parts that will be needed if the bosch 660ef tankless water heater is installed on the same wall through which the exhaust will vent.
Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide.
As illustrated in this catalog and at www bosch climate us bosch thermotechnology is committed to reinventing.
Bosch condensing gas tankless water heaters are ultra efficient systems.
High efficiency gas tankless water heaters from bosch.
Enjoy the energy efficient endless supply of hot water that only a gas tankless water heater can deliver.
Bosch 1600 series horizontal vent kit aq4 power vent motor requires electricity vent termination hood with freeze prevention flapper 5 inch to 4 inch vent reducer water flow activation switch tubing control cables mounting hardware.
Optonial powervent for bosch 1600p 1600h 520pn and 520hn gas tankless water heaters.
Vent adapter is needed to connect the water heater which is tankless to the exhaust hose.
There are two types of venting available for this type of tankless water heater.
Included in this kit are a 90 degree elbow a 12 length of pipe an 18 length of pipe a wall thimble a termination box a bosch 660ef adaptor and a 3oz.
Unlike traditional non condensing water heaters a condensing unit captures latent condensation heat from exhaust gas and uses it to preheat the incoming cold water making bosch condensing tankless water heaters 10 more efficient than a traditional tankless water heater.
Gas tankless water heaters.