Utica Boilers UB90-200 Brochure

UB90-200 Series

II

There Are Some Things You Can Always Depend On...

UB90-200 Series II

90% AFUE Gas Fired Condensing Hot Water Boiler

• High Efciency Cast Aluminum Monoblock Heat Exchanger
with low pressure drop.

• Fuel Smart Hydrostat Control: 3 functions in 1 Control.

- Temperature Limit Control with easy dial settings and
function indicator lights.

- Low Water Cut-Off (LWCO), protects the boiler from
damaging low water conditions.

- Boiler Reset, lowers the boiler temperature to save
fuel without sacricing comfort. Set-up is quick with
no need to install an outdoor sensor, just dial in the
number of heating zones.

• Integrated Microprocessor Control.

• Sealed Combustion, Direct Vent Forced Draft System.

• Utilizes Economical CPVC and PVC Vent Pipe.

• Integral Combustible Floor Plate.

• Casting Temperature Safety Switch & Air Flow Pressure Switches.

• Limited 15 Year Warranty.

• Made In The USA.

Utica UB90-200 Series II Natural or Propane Gas-Fired Condensing Hot Water Boiler

50 psi
MAWP

Dimensions/Weights Model

Combustion Air Intake

Fitting (2” PVC)

Junction Box for 120 VPower

& 24 V Thermostat Leads

4 7/16

Vent Tee

(2” CPVC)

UB90-125 125 113 98 90.0

UB90-150 150 134 117 90.0

UB90-175 175 158 137 90.0

UB90-200 200 180 157 90.0

(1) 1000 Btu/hr (British Thermal Units Per Hour)

(2) Heating Capacity and AFUE (Annual Fuel Utilization Efciency) are based on DOE (Department of Energy) test procedures.

(3) Net AHRI Ratings based on piping and pickup allowance of 1.15. Contact Technical Support before selecting boiler for installations having unusual
piping and pickup requirements, such as intermittent system operation, extensive piping systems, etc.

General Information (See Installation, Operation and Maintenance Manual for complete instructions)

Condensate Drain Fitting (1/2” PVC)

Opening for Relief Valve

Discharge Pipe

Standard Supply & Return Openings 1 1/4" NPT

Connections Provided Inside Boiler Cabinet

Leveling Feet

Gas Supply

Opening

(1/2" NPT)

Model Ship Wgt.

UB90-125

UB90-150

UB90-175

UB90-200

Front

Opening for Air Vent and

Expansion Tank Connection

Top

32 5/16"

Right

Left

284 lbs.

(128.8 kg.)

284 lbs.

(128.8 kg.)

284 lbs.

(128.8 kg.)

284 lbs.

(128.8 kg.)

Clearances

(4) Required
distances measured
from boiler.
(5) Service, proper
operation clearance
recommendation.
Note: May be
installed on
combustible ooring
(No Carpets).

Combustion Air

& Vent Pipe

Equivalent
Length

40 1/4"

Connections

125/150/175/200 1-1/4” NPT 1/2” NPT 1/2” PVC

Electrical 120 Volts AC, 60 hertz, 1 phase, Less than 12 amps (15 amp circuit recommended)

Water Content 125/150/175/200 - 2.6 Gallons

Standard

Equipment

25 1/4"

6 1/4"

Options Taco or Grundfos Circulator

Certications

Boiler Input Rate

(MBH)

Top

(1)

Heating

Capacity

(MBH)

Combustible Materials

(Required)

1” (25 mm) 8” (203 mm)

(1)(2)

(4)

Left Side 8” (203 mm) 24” (610 mm)

Right Side 1” (25 mm) -

Base 1” (25 mm) -

Front 0” (0 mm) 24” (610 mm)

Back 1” (25 mm) -

Combustion Air/Vent Piping 0” (0 mm) -

Min. & Max. Vent Lengths - refer to the Installation Manual based on Natural or Propane Gas
and Altitude.

Vent Pipe - First 5’ (1.6 m) is Schedule 80 2” CPVC (provided), then Schedule 40 3” PVC.

Air Intake - Schedule 40 3” PVC

Notes: 1 - 90° Elbow = 5 Ft. (1.6 m), 1 - 45° Elbow = 3.5 Ft. (1.1 m), 1 - 2” x 3”
Adapter = 0 Ft. (0 m), Concentric Vent Kit = 5 Ft. (1.6 m) equivalent length.

Return/Supply

Water

Gas In Condensate Drain

Boiler Control Module: Integrated Microprocessor Control, Hi-Limit Control, Boiler Reset Control,
Automatic Reset LWCO, Diagnostic Indicator Lights.
Heat Exchanger: Cast Aluminum Monoblock.
Combustion: Completely installed and wired safety control system with Stainless Steel Pre-Mix
Gas Burner, Automatic Gas Valve, Hot Surface Igniter, Forced Draft Blower, Air Vent.
Electrical: Transformer, Service Switch & Outlet.
Other: Assembled boiler with pre-painted steel jacket, Combination Temperature/Pressure Gauge,
30 psi ASME Relief Valve, Casting Temperature Safety Switch, Air Flow Pressure Switches,
Boiler Drain.

50 psi MAWP

Net AHRI

Rating, Water

(MBH)

(1) (3)

Service

AFUE %

(5)

(2)

All ratings and specications subject to change. PN 240005080 Rev. 12/13

Contractor
Assistance: 800.325.5479

Utica, New York 13504

tel: [phone]

P.O. Box 4729

• fax: [phone]

www.uticaboilers.com