Filters
11 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability –
Show In Stock Only (6)
BTU Output –
50,000 - 75,000 (2)
75,000 - 100,000 (4)
100,000 - 125,000 (2)
125,000 - 150,000 (5)
BTU Input –
90,000 - 100,000 (2)
100,000+ (9)
Price Range –
$2000 to $2500 (1)
$2500 to $3000 (1)
$3000 to $3500 (3)
$3500 to $4000 (2)
$4000 to $4500 (1)
$4500 to $5000 (1)
$5000 to $10000 (2)
Weil Mclain WGO & WTGO Gold Oil Boilers
Need a little help?
View our Resources
11 items
Grid
List
Order 
items by 4PM, receive tomorrow
items by 4PM, receive tomorrowResources
Videos
See all
Compare
 --%3E %3Csvg version='1.1' id='Fill' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 100 100' enable-background='new 0 0 100 100' xml:space='preserve'%3E %3Cpath fill='%23F15C02' d='M79.44,0.95H20.56C9.78,0.95,0.95,9.78,0.95,20.56v58.87c0,10.79,8.82,19.61,19.61,19.61h58.87 c10.79,0,19.61-8.83,19.61-19.61V20.56C99.05,9.78,90.22,0.95,79.44,0.95z M65.38,58.24l9.38,29.58L49.69,69.78L24.5,87.82 l9.34-29.6L8.8,39.6l30.73-0.17c0,0,6.98-19.61,10-28.93c0.54,1.36,9.88,29.1,9.88,29.1H91.2L65.38,58.24z'/%3E %3C/svg%3E){kind=small}
 --%3E %3Csvg version='1.1' id='With-RB' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 100 100' enable-background='new 0 0 100 100' xml:space='preserve'%3E %3Cpath fill='%23FBC8B4' d='M79.44,0.95H20.56C9.78,0.95,0.95,9.78,0.95,20.56v58.87c0,10.79,8.82,19.61,19.61,19.61h58.87 c10.79,0,19.61-8.83,19.61-19.61V20.56C99.05,9.78,90.22,0.95,79.44,0.95z M65.38,58.24l9.38,29.58L49.69,69.78L24.5,87.82 l9.34-29.6L8.8,39.6l30.73-0.17c0,0,6.98-19.61,10-28.93c0.54,1.36,9.88,29.1,9.88,29.1H91.2L65.38,58.24z'/%3E %3C/svg%3E){kind=small}
$2,267.25 each
Get 8 by Thu, Dec 7 - Mon, Dec 11
More Available
Get 8 by Thu, Dec 7 - Mon, Dec 11
More Available
Compare
$2,751.71 each
Get 2 by Thu, Dec 7 - Mon, Dec 11
More Available
Get 2 by Thu, Dec 7 - Mon, Dec 11
More Available
Compare
$3,129.00 each
Get 2 by Thu, Dec 7 - Mon, Dec 11
More Available
Get 2 by Thu, Dec 7 - Mon, Dec 11
More Available
Compare
$3,191.01 each
Get it by Tue, Feb 20 - Thu, Mar 21
Get it by Tue, Feb 20 - Thu, Mar 21
Compare
$3,236.00 each
Get 6 by Thu, Dec 7 - Mon, Dec 11
More Available
Get 6 by Thu, Dec 7 - Mon, Dec 11
More Available
Compare
$3,574.51 each
Get 6 by Thu, Dec 7 - Mon, Dec 11
Get 6 by Thu, Dec 7 - Mon, Dec 11
Compare
$3,740.41 each
Get it by Tue, Feb 20 - Thu, Mar 21
Get it by Tue, Feb 20 - Thu, Mar 21
Compare
$4,074.36 each
Get 1 by Thu, Dec 7 - Mon, Dec 11
Get 1 by Thu, Dec 7 - Mon, Dec 11
Compare
$5,106.75 each
Get it by Tue, Feb 20 - Thu, Mar 21
Get it by Tue, Feb 20 - Thu, Mar 21
Compare
$5,580.10 each
Get it by Tue, Feb 20 - Thu, Mar 21
Get it by Tue, Feb 20 - Thu, Mar 21
Compare
WTGO-5R - 128,000 BTU Output Cast Iron Gold Oil Boiler w/ Tankless Heater - Series 4 (No Circulator)
 --%3E %3Csvg version='1.1' id='No-RB' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 100 100' enable-background='new 0 0 100 100' xml:space='preserve'%3E %3Cpath fill='%23CECECE' d='M79.44,0.95H20.56C9.78,0.95,0.95,9.78,0.95,20.56v58.87c0,10.79,8.82,19.61,19.61,19.61h58.87 c10.79,0,19.61-8.83,19.61-19.61V20.56C99.05,9.78,90.22,0.95,79.44,0.95z M65.38,58.24l9.38,29.58L49.69,69.78L24.5,87.82 l9.34-29.6L8.8,39.6l30.73-0.17c0,0,6.98-19.61,10-28.93c0.54,1.36,9.88,29.1,9.88,29.1H91.2L65.38,58.24z'/%3E %3C/svg%3E){kind=small}
$4,958.69 each
Get it by Tue, Feb 20 - Thu, Mar 21
Get it by Tue, Feb 20 - Thu, Mar 21
FAQs, Manuals & Videos
View ResourcesDidn't find what you're looking for?
Let us know
.Filter & Sort
11 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability –
Show In Stock Only (6)
BTU Output –
50,000 - 75,000 (2)
75,000 - 100,000 (4)
100,000 - 125,000 (2)
125,000 - 150,000 (5)
BTU Input –
90,000 - 100,000 (2)
100,000+ (9)
Price Range –
$2000 to $2500 (1)
$2500 to $3000 (1)
$3000 to $3500 (3)
$3500 to $4000 (2)
$4000 to $4500 (1)
$4500 to $5000 (1)
$5000 to $10000 (2)