4 1 out of 5 stars 19.
Vent free tankless water heater.
The excel vent free tankless propane water heater saves energy and water while instantly delivering infinite hot water upon opening the tap no matter the water pressure.
Other similar size heaters require a costly flue installation.
Excel pro tankless gas water heater natural gas 6 6 gpm whole house and for hydronic heating compare to rinnai rheem noritz bosch free flue kit 3 6 out of 5 stars 48 555 00 555.
All other tankless gas water heaters require at least 20 psi to start up due to their outdated technology.
Ods oxygen detection safety pilot.
Eccotemp i12 lp liquid propane gas tankless water heater free vent kit 4 5 out of 5 stars 9 9 product ratings eccotemp i12 lp liquid propane gas tankless water heater free vent kit.
Starts up with only 2 psi.
Rheem rtg 84dvp low nox direct vent tankless water heater liquid propane energy star 8 4 gpm.
No expensive flue required.
Vent free appliances more than one million units shipped annually do not require a vent flue or chimney model code ansi z21 11 2 range of 2 000 40 000 btu limited to 40 000 btu usa vent free products log sets worldwide vent free products.
Ez deluxe tankless water heater 3 4 gpm natural gas ng indoor whole home free direct vent exhaust included.
Logsets water heaters space heaters safety.
All other tankless gas water heaters rely on outdated rubber diaphragm technology to start the units and need pressures higher than 20 psi to operate.