Brochure

21
Conservationist
®
Duraclad
Oil-Fired Small Volume
Models
COF models provide thermal
efficiencies of 80%
OIL-FIRED WATER HEATERS
Our Duraclad COF-199 and larger models have an optional
two-stage pump for use with below-grade oil storage tanks.
Features include two handhole clean-outs for easy servicing.
The large volume COBT models are available as a dual-fuel
heater—natural gas as well as oil-fired.
Small Volume COF Quality Features:

For small to medium-sized applications

UL listed oil burner

180°F adjustable thermostat

Single-stage oil pump for simple, efficient operation.

Solenoid oil valve (standard on 455, 700)

3/4˝ drain valve

CSA Certified and ASME rated T&P relief valve

Two handhole clean-outs (COF-385 and larger,
and ASME models) for easy maintenance.

Barometric draft regulator provided for proper
operation, ensures correct flow in the vent

Foam insulation

Intermittent ignition

CoreGard
™
anode rod with stainless steel core
won’t corrode, won’t break off

Flame observation port

PermaGlas
®
glasslined tank with 160 PSI maximum
working pressure

3-year limited tank warranty
Options

Two-stage pump for use with underground
oil storage tanks

Oil solenoid safety valve

ASME construction available on models
COF-315 and larger

5-year limited tank warranty
*Based on No. 2 fuel oil.
All models have 1/8 HP motor.
Add “S” to the end of the model number for standard (COF-199S)
and “A” to the end of the model number for ASME (COF-700A) tanks.
Available on
COF-315 and
higher
BTU
FIRST
MODEL GAL. INPUT HOUR TEMP. RISE HT. DIA. DEPTH SHIP
NO. CAP. PER HOUR DELIVERY DEG. R–GPH WEIGHT
RATING*
40 100 140 STD ASME
COF-199 86 199,000 253 482 193 138 74-3/4 24-3/4 37 553 NA
COF-245 86 245,000 298 594 238 170 74-3/4 24-3/4 37 554 NA
COF-315 84 315,000 364 764 305 218 74-3/4 24-3/4 37 554 657
COF-385 75 385,000 426 933 373 267 74-3/4 24-3/4 37 624 742
COF-455 75 455,000 494 1103 441 315 74-3/4 24-3/4 37 700 747
COF-700 69 700,000 727 1697 679 485 79-1/2 24-3/4 37 739 822
All dimensions in inches
AOSCA80000 R Oct 2011 Com Catalog:108078_ResidentialFul#7A635.qxd 10/28/11 5:51 PM Page 21