Description
Vaillant Pump 0020136638 with PRV 178985 – (Refurbished) P/N:59866553
The Vaillant 0020136638 pump with PRV 178985 is commonly used in Ecotec Pro combi boilers manufactured between 2012 and 2015. A failing pump can cause poor circulation, overheating, boiler lockouts, or radiator cold spots.
This refurbished pump has been carefully inspected, cleaned, tested, and verified to meet operational standards. It includes the integrated PRV, ensuring correct system pressure protection once installed.
Choosing a refurbished pump provides excellent value without compromising safety or performance when installed by a Gas Safe registered engineer.
Vaillant Ecotec Pro Combi Boilers
Ecotec Pro 22 VU 226/5-3 R4 (Guernsey/Jersey only) – 0010015190
Ecotec Pro 24 VUW 246/5-3 – 47-044-44
Ecotec Pro 24 VUW 246/5-3 R1 – 47-044-44 R1
Ecotec Pro 24 VUW 246/5-3 R2 – 47-044-44 R2
Ecotec Pro 24 VUW 246/5-3 R4 – 47-044-44 R4
Ecotec Pro 28 VUW 286/5-3 NG – 47-044-45
Ecotec Pro 28 VUW 286/5-3 LPG – 47-044-47
Ecotec Pro 28 VUW 286/5-3 R1 NG – 47-044-45 R1
Ecotec Pro 28 VUW 286/5-3 R1 LPG – 47-044-47 R1
Ecotec Pro 28 VUW 286/5-3 R2 NG – 47-044-45 R2
Ecotec Pro 28 VUW 286/5-3 R2 LPG – 47-044-47 R2
Ecotec Pro 28 VUW 286/5-3 R4 NG – 47-044-45 R4
Ecotec Pro 28 VUW 286/5-3 R4 LPG – 47-044-47 R4
Please note: Before placing your order you must check your part matches the Manufacturer Part Number stated above.
For any Vaillant related products please clink below link :
Prices: Please note all prices are inclusive of VAT.
At Heating and catering parts,
We certainly strive to provide the best possible customer experience. Consequently, we understand that sometimes a product may not meet your expectations or requirements. That is why we offer a comprehensive 30-day return policy to ensure your satisfaction. Please read our full Return Policy
We appreciate you buying from our store. Usually, If your order is received by 1:00 p.m. EST (Monday–Friday), we will ship the item the same day. You can count on us to deliver quickly and safely. In other words, we take pride in our prompt and trustworthy service and will do everything we can to ensure the safe arrival of your package.
Please note that weekends are not included in our next-day delivery guarantee. Delivery for orders placed on Fridays (the next day) is on the following Monday. At the same time select the Saturday delivery option at checkout if you’d like your purchases delivered on a weekend day.
In a word thank you for choosing us!
Frequently Asked Questions
What does the Vaillant pump with PRV do?
It circulates heated water through the system while protecting against over-pressure using the built-in PRV.
What are symptoms of a faulty pump?
Cold radiators, boiler overheating, noisy operation, fault codes, or frequent pressure issues.
Is this pump refurbished or new?
This is a professionally refurbished unit, fully tested for safe reuse.
Is installation complicated?
It is a direct replacement but must be installed by a Gas Safe registered engineer.
How do I check compatibility?
Match your boiler model with the GC numbers listed above before ordering.
