Product Overview

Draft and Exhaust Application Guide
DRAFT
APPLICATIONS
Multiple &/or Modulating Power
Burner/Fan Assisted Heaters
Multiple Atmospheric Heaters with
Flue Dampers
Draft Applications affected by
Fluctuating Negative Building
Pressures (Restaurants)
Gas Heaters with Draft Hoods or Draft Diverters
Gas Fireplace
Gas Oven
Oil Heater
Single Gas Power Burner
Solid Fuel Stove, Fireplace, Oven
EXHAUST
APPLICATIONS
Multiple Clothes Dryers Common Vented
Chase Exhaust for Kitchen & Baths or Dryers
in Multi-Story Buildings
RT-Series Inducers
Select model based on
application and then
based on sizing guide
or off curves if desired
CFM and pressure drop
are known.
MAC1E and MAC4E
Multiple Appliance
Interlock Controls
Expand number of heaters
that interlock with DCOP1
and UCRT controls. Use
MAC1E for 1 additional
heater and MAC4E for up
to 4 additional heaters.
RTS8 (RT750-Series) or
RTS12 (RT1500-Series)
Rooftop Stands
Supports inducer and adjusts
from 10” to 16” from inducer
inlet to the roof surface. For
flat roofs only.
DC Series Barometric
Draft Controls
Single Acting Barometric
Draft Controls allow
precise draft to be main-
tained on heaters
extremely sensitive to
draft variations. DC4, 5, 6,
7, 8, 9, 10. Match flue
outlet diameter.
DH750 and DH1500
Discharge Hoods with
Gravity Close Damper
Used for dryer exhaust appli-
cations or where an off-cycle
damper is desired for inducer.
Kit includes two DH-Series
hoods to replace standard
screened discharges.
DCOP1 Constant
Operating Pressure
Control
Monitors draft and modu-
lates Inducer to maintain
set point. Includes 1
heater interlock. Use
MAC1E or MAC4E for
additional heaters.
UCRT
Inducer interlock
control for 1 heater.
Includes manually
adjusted motor speed
control. Use MAC1E
or MAC4E for addi-
tional heaters.
XCOP1 Constant
Operating Pressure
Control
Monitors exhaust and
modulates Inducer to
maintain setpoint.
ABD-Series
Balancing Baffles
Installed in vent riser
after draft control to
balance draft on com-
mon manifold serving
multiple heaters. ABD-
4, 5, 6, 7, 8, 9,10,12,14.
Inserts into ID of like
diameter vent pipe.
**Select size to match heater flue outlet diameter
INDUCER
MODEL
RT750
OR
RT1500
Both Include
PSA-1
Fan Prover
RT750 OR
RT1500
Both Include
PSA-1
Fan Prover
RT750H
OR
RT1500H
INDUCER
MODEL
RT750
OR
RT1500
REQUIRED
ACCESSORIES
**ABD-Series Balancing
Baffle
**DC-Series Draft
Control
**DC-Series Draft
Control for Heaters
without Draft Hoods or
Diverters
REQUIRED
ACCESSORIES
DH750 or DH1500
Discharge Hoods
OPTIONAL
ACCESSORIES
DH750 or DH1500
Discharge Hoods
RTS8 or RTS12
Rooftop Stand
DH750 or DH1500
Discharge Hoods
RTS8 or RTS12
Rooftop Stand
OPTIONAL
ACCESSORIES
RTS8 or RTS12
Rooftop Stand
CONTROLS
DCOP1
Draft COP
UCRT
Interlock
w/Speed Control
“H” Suffix
Models Include
Manual Speed
Control
CONTROLS
XCOP1
Exhaust COP
(No Interlock)