Get Your Parts Fast! Place your order before 4PM EST and it will ship on the same or next business day.
Get Your Parts Fast! Place your order before 4PM EST and it will ship on the same or next business day.
Embassy Onex heating systems and boilers exemplify the elite craftsmanship of their Italian parent company, Cosmogas. This heating system manufacturing powerhouse has been a mainstay in the industry for over 50 years and counting. In fact, their machines are so well made, many of them outlast certain parts within their system. Fortunately, you can find all the Onex/Cosmogas heating system replacement parts that you need to keep your home or business warm and comfortable right here on our easy-to-use website.
From Embassy Onex/Cosmogas control boards and heat exchangers to ignition modules -- we have you covered. Our comprehensive inventory of Onex/Cosmogas heating system parts also includes integrated circuit pumps, multifunction selectors and safety reliefs as well as odds-and-ends like precise gaskets, valves, washers and more.
We have spare parts in stock for popular Onex/Cosmogas boilers and heating systems, including the 20E, 29E and 45WN models. To easily find your part, type a part name or part number into the search bar here on our website. If you’re still unable to find your part, our friendly and knowledgeable customer service team is available to provide you with personal assistance.
Struggling to Find Your Part? We’re Here to Help You.
Call us at (800) 536-1582, email [email protected] or live chat with a member of our team here on our website to begin exploring options for Onex/Cosmogas heating system replacement parts.
Our customer service team is available Monday through Friday, 8 am – 4 pm EST.
"No problems, found the part easily on the website and placed the order. Shipped out the next day."
– ZanyMockingbird
Verified by ResellerRatings
"No problems, found the part easily on the website and placed the order. Shipped out the next day."
– ZanyMockingbird
Verified by ResellerRatings
"I highly recommend Parts4heating and will do all my business with them in the future."
– M MST
Verified by Google Reviews
"Was able to get a pretty uncommon part at a great price. Shipping was fast. Great experience overall."
– MichaelStrohman
Verified by ResellerRatings
"No problems, found the part easily on the website and placed the order. Shipped out the next day."
– ZanyMockingbird
Verified by ResellerRatings
"I highly recommend Parts4heating and will do all my business with them in the future."
– M MST
Verified by Google Reviews
"Was able to get a pretty uncommon part at a great price. Shipping was fast. Great experience overall."
– MichaelStrohman
Verified by ResellerRatings
"These guys will be my first call for all of my parts needs going forward."
– Douglas Carocari
Verified by Google Reviews
"These guys will be my first call for all of my parts needs going forward."
– Douglas Carocari
Verified by Google Reviews
"The product was a good quality and the delivery time was good!"
– AverageFirefly
Verified by ResellerRatings
"They know their products and they are not out to just make a sale."
– MikeRenna
Verified by ResellerRatings
"These guys will be my first call for all of my parts needs going forward."
– Douglas Carocari
Verified by Google Reviews
"The product was a good quality and the delivery time was good!"
– AverageFirefly
Verified by ResellerRatings
"They know their products and they are not out to just make a sale."
– MikeRenna
Verified by ResellerRatings
