Weil McLain High Efficiency Boilers

Ultra Series 3 Gas Boiler

Ultra Series 3 delivers peace of mind, unmatched comfort, and immediate payback in energy savings.
Models: UG-80, UG-105, UG-155, UG-230, UG-310

Key Features
- Gas fired water boiler with cast aluminum heat exchanger

- Venturi mixing body mixes air and gas providing higher efficiency

- Designed to operate in low temperature condensing applications

- Outdoor reset and domestic hot water priority standard

- Negative regulated gas valve precisely delivers gas to the boiler

- U-Control gives you the power for easy set-up and maintenance

- Modulates with 5 to 1 turn-down ratio

- Variable speed motor matches combustion output to heating needs

- High grade stainless steel burner features quiet operation, high efficiency, and cleaner combustion for low NOx applications

- *Ultra 310 93.3% AFUE rating is a gross output and combustion efficiency.
Model A.G.A. Input (MBH) DOE Heating Capacity (MBH) Net I=B=R Ratings (MBH) Min. Vent Size Annual Fuel Utilization Efficiency (AFUE)
UG-80 80 71 62 2 in. PVC/ABS 93.0%
UG-105 105 94 81 2 in. PVC/ABS 92.0%
UG-155 155 139 123 3 in. PVC/ABS 93.0%
UG-230 230 207 183 3 in. PVC/ABS 92.8%
UG-310 310 289 252 4 in. PVC/ABS 93.3%

- 8-Page Brochure

- Ultra Series 3 Boiler Manual

- Ultra Series 3 User's Manual

 

Water heater


Models: Gold PLUS 30, Gold PLUS 40/ Ultra PLUS 40, Gold PLUS 60/Ultra PLUS 60, Gold PLUS 80/Ultra PLUS 80, PLUS 100, PLUS 110, PLUS 119

Key Features
- Tank-within-a-tank design - corrugated stainless steel inner tank; steel outer tank

- Negligible stand-by loss - less than 1/2°F per hourZone control description: Controllers for Circulator and Zone Valve Systems

- More Hot Water - Weil-McLain indirect-fired heaters produce twice the peak flow of a tankless coil; at least 50% more than a comparably sized direct-fired gas water heater; three times as much as an electric uni

- Unique self-cleaning design resists liming

- PLUS Line Water Heaters Brochure

- PLUS Line Water Heaters Manual

- PLUS Line Water Heaters Specs

 
Model First Hour
Flow Ratings
(115F) In
Gallons		 First Hour
Flow Ratings
(140F) In
Gallons		 Circulator GPM Domestic Side
Capacity
(in gallons)		 Boiler Side
Capacity
(in gallons)		 Heating Surface (sq. feet) Head loss on
Boiler-side (feet)		 Dimensions (A) Dimensions (B) Dimensions (C) Dimensions (D) Dimensions (E) Approx. Ship Weight (pounds)
Gold PLUS 30 230 140 8 28 5 13 3/4 38 9 30 22-1/4 14-1/4 135
Gold PLUS 40/ Ultra PLUS 40 260/259 170/168 9 36 6 16 1 46 9 38 22-1/4 14-1/4 155
Gold PLUS 60/Ultra PLUS 60 365/349 220/207 13 46 8 20 1-1/4 57 9 49 22-1/4 14-1/4 180
Gold PLUS 80/Ultra PLUS 80 670/579 410/362 20 56 8 24 1-1/2 66 9 58-1/4 22-1/4 14-1/4 200
PLUS 100 690 435 18 70 14 29 2 61 10 50-1/2 26-1/2 10-5/8 271
PLUS 110 775 525 25 95 25 34 2 78 10 67-1/4 26-1/2 10-5/8 362
PLUS 119 970 630 28 119 30 42 2-1/2 73-1/4 10 63 32-1/4 10-5/8 479

 
 

 
 

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