Tech Bulletin

Technical Bullen 155 - Z-FLEX Z-DENS Venng for Rinnai Boilers
Manufacturer Listed and Tested Vent Products Telephone Fax Contact
Z-FLEX Z-DENS Polypropylene Venng System 603-669-5136 603-669-0309 www.z-ex.com
Pipe Lengths Elbows
2/4 Concentric
Terminaon
2/4 Concentric
Adapter
Locking Clamp,
Support Bracket
2ZDP212, 2ZDP212UV,
2ZDP224, 2ZDP224UV,
2ZDP236, 2ZDP236UV,
2ZDP272, 2ZDAP2
2ZDE245,
2ZDE245UV,
2ZDE287,
2ZDE287UV
2ZDCTH24,
2ZDCTV24
2ZDACLC2224 2ZDLC2, 2ZDFB2
Approved Vent Manufacturer
Approved 2 in. (60 mm) Z-DENS Polypropylene Vent Products (Item Numbers)
Purpose: To announce the approval of Z-DENS Polypropylene Venng by Z-FLEX for Rinnai Condensing Boilers.
Pipe Lengths Elbows
3/5 Concentric
Terminaon
3/5 Concentric
Adapter
Locking Clamp,
Support Bracket
2ZDP312, 2ZDP312UV,
2ZDP324, 2ZDP324UV,
2ZDP336, 2ZDP336UV,
2ZDP372, 2ZDAP3
2ZDE345,
2ZDE345UV,
2ZDE387,
2ZDE387UV
2ZDCTH35,
2ZDCTV35
2ZDACLC3335 2ZDLC3, 2ZDFB3
The installaon of the above components must conform to the Rinnai Installaon and Operaon Manual that is
shipped with the unit, local codes, or in the absence of local codes, with the Naonal Fuel Gas Code, ANSI
Z223.1/NFPA 54.
Approved 3 in. (80 mm) Z-DENS Polypropylene Vent Products (Item Numbers)
Turn page for maximum equivalent vent lengths.