Weil-Mclain Hot Water Boilers

Weil-Mclain Residential Boilers available in Seattle

Category: Residential
Product Type: Water
Fuel Type: Natural Gas, Propane
Material: Cast Aluminum
Input MBH: 80, 105, 155, 230, 299, 310, 399 MBH
AFUE %: up to 94.1 %
Output MBH / Steam Sq. Ft.:
71, 94, 139, 207, 270, 289, 365
Vent Category & Material:
Cat. 4 venting: S636 – PVC*, CPVC or AL29-4C
*Check local code / inspectors for acceptance
Warranty:
Residential
12 yr Heat Exchanger replacement / 2 yr all other parts
Commercial
10 yr Heat Exchanger replacement / 1 yr all other parts
Notes:
5 to 1 modulation, Floor or Wall mount, includes water inhibitor and boiler pump

Residential applications

Light commercial applications

The above features and more…
ZoneStacking: up to 24 programmable zones with no external panel required
Optimal energy efficiency for up to up to 96.5% AFUE and low NOx < 20PPM certified
Completely packaged and fired at manufacturing facility
Common combustion air venting
Two network and two local priorities per network boiler system
Multiple-boiler sequencing options:
- Smart mode – maximizes part load efficiency by turning on as many boilers as possible
- Series mode – boiler goes to 100% before another is turned on; less total burner hours
- Parallel mode – hybrid mode; boilers go to base rate high before turning on next boiler
- Category: Residential
- Product Type: Water
- Fuel Type: Natural Gas, Propane
- Material: Stainless Steel
- Input MBH: 70, 110, 155, 220, 299, 399 MBH
- AFUE %: up to 96.5 %
- Output MBH / Steam Sq. Ft.:
  65, 101, 143, 206, 280, 383
- Vent Category & Material:
  Cat. 4 venting: S636 – PVC*, PP, CPVC or AL29-4C
  *Check local code / inspectors for acceptance
- Warranty:
  Residential
  12 yr Heat Exchanger / 5 yr parts
  Commercial
  10 yr Heat Exchanger / 1 yr parts
- Notes:
  5 to 1 modulation, Floor or Wall mount, 24-zone capacity, 10 system presets, ZoneStacking for commercial applications

Category: Residential
Product Type: Water
Fuel Type: Natural Gas, Propane
Material: Cast Iron, Stainless Steel
Input MBH: 70, 105, 140, 175 MBH
AFUE %: up to 91.9 %
Output MBH / Steam Sq. Ft.:
65, 97, 130, 161
Vent Category & Material:
Cat. 4 venting: S636 – PVC*, CPVC or AL29-4C
*Check local code / inspectors for acceptance
Warranty:
Residential
20 yr C.I. Heat Exchanger / 5 yr S.S. Heat Exchanger / 2 yr parts
Commercial
10 yr C.I. Heat Exchanger / 5 yr S.S. Heat Exchanger / 1 yr parts
Notes:
Includes water inhibitor, boiler and recirculation pumps

Category: Residential
Product Type: Water
Fuel Type: Natural Gas, Propane
Material: Cast Iron
Input MBH: 52, 70, 105, 140, 175, 210, 245 MBH
AFUE %: up to 84 %
Output MBH / Steam Sq. Ft.:
44, 59, 88, 117, 146, 175, 204
Vent Category & Material:
Cat. 1 venting, B-Vent
*Check local code / inspectors for acceptance
Warranty:
Residential
20 yr Heat Exchanger / 2 yr parts
Commercial
10 yr Heat Exchanger / 1 yr parts
Notes:
Vertical vent only, 50 psi relief option

Category: Residential
Product Type: Water
Fuel Type: Natural Gas, Propane
Material: Cast Iron
Input MBH: 50, 60, 90, 120, 167, 200, 233 MBH
AFUE %: up to 85.1 %
Output MBH / Steam Sq. Ft.:
42, 51, 76, 100, 140, 167, 194
Vent Category & Material:
Cat. 1-B-Vent / Cat. 3-AL29-4C
*Check local code / inspectors for acceptance
Warranty:
Residential
20 yr Heat Exchanger / 2 yr parts
Commercial
10 yr Heat Exchanger / 1 yr parts
Notes:
Chimney or Sidewall vent. For Cat. 1 venting increase from 3 to 4? up to CGI-3 and 3 to 5? for all other sizes.

Ultra Oil

WGO / WGTO

SGO