Condensing High Efficiency Gas Boiler

20-100% Modulation

SERIES 2

PACKAGED BOILER

Natural Gas

Propane Gas

Taco Pump

OPTIONALEQUIPMENT

Wall Mounting Kit

Alarm Control Kit

Indirect-Fired Water Heaters

RATINGS

CSA Input (Maximum)

CSA Input (Minimum)

DOE Heating Cap.

Net I=B=R

DOE AFUE

Weil-McLain Low Temp

Seasonal Efficiency

DATA

Vent Size / Material

Combustion Air Size

Water Volume

Approx. Ship. Weight

DIMENSIONS

Supply Tapping

Return Tapping

Gas Connection Size

Crate Dimensions

80

105

155

230

310

Part No.

Part No.

Part No.

Part No.

Part No.

-Natural Gas field convertible to LP as standard equip. except 80

383-500-400 383-500-402

383-500-403 383-500-404

383-500-405

383-500-401

 

NA

 

 

007

 

 

0011

 

 

389-900-180

 

NA

 

 

383-500-080

 

 

Matching Ultra PLUS 40, 60 and 80 Water Heaters Available

80 MBH

105 MBH

155 MBH

230 MBH

310 MBH

16 MBH

21 MBH

31 MBH

46 MBH

62 MBH

71 MBH

94 MBH

139 MBH

207 MBH

*289 MBH

62 MBH

81 MBH

123 MBH

183 MBH

252 MBH

93.0%

92.0%

93.0%

92.8%

*93.3%

98.1%

 

98.0%

95.6%

Boiler return water temp=90°F and boiler outlet water temp=110°F

*Note: 310 ratings are gross output and combustion efficiency.

 

3” PVC/ABS

 

3 or 4 in.

4 in.

 

 

PVC/ABS

PVC/ABS

 

 

 

 

 

3 in.

 

3 or 4 in.

4 in.

.95 Gal.

1.07 Gal.

 

1.17 Gal.

1.57 Gal.

2.1 Gal.

149 lbs.

154 lbs.

 

193 lbs.

204 lbs.

254 lbs.

 

 

 

 

 

 

 

1”

 

 

1-1/4”

 

1”

 

 

1-1/4”

 

1/2”

 

 

3/4”

 

53-1/2”L x 27”W x 23-1/2”H

 

56”Lx27”Wx27”H

1 Supply Connection

2 Return Connection

3 Low Voltage Wire Opening

4 Electrical Entrance Openings

5 Vent Connection

6 Air Connection

7 Gas Connection

STANDARD EQUIPMENT

Factory Tested

Limited 15 Year Heat Exchange Warranty

Homeowner Protection Plan with •5 years Parts and Labor

Cast Aluminum Block

30 PSI ASME Relief Valve Drain Valve

Stainless Steel Burner (80, 105 & 310) with woven steel fiber mesh

(155 & 230) Direct Spark Ignition

Variable Speed Blower Assembly Gas/Air Ratio Venturi with Air Silencer Negative Pressure Regulation Gas Valve 50 VA Transformer

Combination T&P Gauge

Outlet Water Temperature Sensor Return Water Temperature Sensor Flue Gas Temperature Sensor Outdoor Temperature Sensor

12 AMP 110 V Circ. Relay (310 only)

Control Module with

Digital Display & Data Port

Ignition Control

High Limit & Modulating Temp Control

Low Water Protection

Outdoor Reset

DHW Priority

Two Pump Controls (Heating & DHW)

Taco Boiler Circulators:

1” flanges (80 & 105) Taco 007

1” & 1-1/4” flanges (155, 230 & 310) Taco 0011

Complete Jacket Assembly with

Fully Removable Front Jacket Cover Adjustable Boiler Legs

Sidewall Vent/Air Termination Kit Line & Low Voltage

Pre-wired Terminal Strips On/Off Power Switch

Line Voltage Service Receptacle Condensate Trap

with Drain Tee Assembly Propane Conversion Orifice

(All except Model 80)

boilers are low NOx Certified by the South Coast Air Quality Management District (Rule 1146.2) in California.

In the interest of continual improvements in product and performance, Weil-McLain reserves the right to change specifications without notice.

 

Locate our Sales Offices by visiting our website:

Weil-McLain

 

500 Blaine Street

 

www.weil-mclain.com

 

Michigan City, IN 46360-2388

 

 

 

©2004 Weil-McLain

Weil-McLain Ultra Boiler Patents Pending

Form No. C-995R4(0504)

Page 4
Image 4
Weil-McLain Ultra Series 2 dimensions Condensing High Efficiency Gas Boiler

Ultra Series 2 specifications

The Weil-McLain Ultra Series 2 is a highly efficient, gas-fired boiler, designed to meet residential and light commercial heating needs. Recognized for its innovative technology and superior performance, the Ultra Series 2 offers an ideal heating solution that combines comfort, reliability, and energy savings.

One of the standout features of the Ultra Series 2 is its high-efficiency rating. With an impressive AFUE (Annual Fuel Utilization Efficiency) rating of up to 95%, this boiler ensures minimal energy wastage and translates into significant cost savings for users. The unit benefits from advanced modulation technology that adjusts the heating output according to the specific demands of the home, ensuring optimal energy use.

The Ultra Series 2 includes an array of cutting-edge technologies that enhance its operation. The fully modulating burner system is engineered to precisely match heating output with load requirements, effectively minimizing short cycling and maximizing efficiency. The integrated control system offers advanced diagnostics, allowing for easier troubleshooting and maintenance, which translates into reduced downtime and increased reliability.

Another key characteristic of the Ultra Series 2 is its compact, lightweight design. This boiler is available in various models, making it suitable for a wide range of installation spaces. Its low-profile design facilitates easy placement in tight conditions, while its durability ensures that it can withstand the test of time.

The Ultra Series 2 also emphasizes ease of installation. The boiler features a built-in pump, eliminating the need for additional components, and allowing for streamlined integration into existing heating systems. The sleek, user-friendly interface provides straightforward control of system settings, enhancing user experience.

Additionally, the Ultra Series 2 is built with robust safety features. These include a flame safeguard system and multiple venting options, which allow for flexible installation while maintaining safety standards.

In conclusion, the Weil-McLain Ultra Series 2 stands out in today’s market as a symbol of efficiency and innovation. With its combination of high AFUE ratings, advanced modulation technology, and compact design, it sets a new benchmark for residential and light commercial heating solutions. Homeowners and contractors alike can feel confident choosing the Ultra Series 2 for a reliable, high-performance heating experience.