General Information
900684-01 06/2018
Innovative Hearth Products
DRT3000 Series Direct-Vent Gas Fireplaces
9
BTU Input
Table 1 - Input Rate (BTU/HR), Gas Valves
Models
Natural Gas
Propane Gas
High Rate
Low Rate
High Rate
Low Rate
33” Models
15,000
10,500
13,000
9,500
35” Models
16,000
11,000
15,000
11,000
40” Models
20,000
14,000
19,000
14,000†
45” Models
21,500
13,500
21,500
13,500
† 12,000 in Ecoflow Models
Table 2 - Thermal Efficiency (%)
Approved Vent Components
These fireplaces are designed, tested and listed for operation and installation with the following vent components
only:
• Secure Vent
®
Direct-Vent System Components,
• Secure Flex
®
Flexible Vent Components, and
• Z-FLEX
®
Model GA Venting Systems listed to UL1777 and ULCS635 manufactured by Flexmaster Canada
Limited.
Use only the correct size venting (4-1/2” inner and 7-1/2” outer).
These approved vent system components are labeled for identification. DO NOT use any other manufacturer’s vent
components with these fireplaces.
Codes and Standards
These fireplaces comply with National Safety Standards and are tested and listed by PFS Corporation (Report No.
F13-094) to ANSI Z21.88 (in Canada, CSA-2.33), and CAN/CGA-2.17-M91 in both USA and Canada, as vented gas
fireplace heaters.
These fireplaces are listed for installation in bedrooms and manufactured homes.
The installation must conform to local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI
Z223.1/NFPA 54—latest edition (In Canada, the current CAN/CGA-B149.1 installation code).
The fireplace, when installed, must be electrically grounded and wired in accordance with local codes or, in the
absence of local codes, with the National Electrical Code, ANSI/NFPA 70—latest edition, or the Canadian Electrical
Code, CSA C22.1—latest edition.
Model
Millivolt
Electronic
AFUE *
P4 **
AFUE *
P4 **
33” Models
61
57
61
60
35” Models
61
58
61
60
40” Models
61
58
61
60
45” Models
66
58
66
60
Based on CSA P.4.1-2015
* AFUE is a measurement of the US Department of Energy,
** Complies with CSA P.4.1-2015 “Testing Method for Measuring Annual Fireplace Efficiency. P4 (EnerGuide) is a measurement of the
Canadian Office of Energy Efficiency.
Efficiencies are based on Normal input operation.
