Water Pressure Sensor 0020059717 Compatible with Vaillant Pro & Plus Boilers, Replaces 0020040508, 178994, 253595 – Hanicks

• Compatible Vaillant Pro/Plus Water Pressure Sensor 0020059717 (0020040508, 178994, 253595)
• Part No. 0020059717 (Supersedes 0020040508, 178994, 253595)
• Fits: See full description below, or alternatively if you are still unsure please contact our Hanicks Heating & Spares Tech Team on 01302 279234 with your boiler GC No. to hand.
• Direct compatible replacement for Vaillant water pressure sensor 0020059717
• Designed for accurate system water-pressure monitoring to prevent low-pressure lockouts
• Ensures stable boiler operation across a wide range of Pro & Plus models
• Manufactured to maintain consistent performance, durability, and long service life
• Used in many popular Vaillant boilers including compatible with Pro 24/28 and Plus 612/615/618/824/831/837 (check boiler GC/model before ordering)

Product description Compatible Vaillant Pro & Plus Water Pressure Sensor High quality compatible replacement water pressure sensor suitable for a wide range of Vaillant boilers. Designed to replace Vaillant part number 0020059717 and its previous numbers 0020040508, 178994, 253595. Always check the part number on your existing sensor and the GC number of your boiler before ordering. Compatible boiler models & GC numbers include: Vaillant exclusive 832 – GC 47-044-37 Vaillant exclusive 838 – GC 47-044-38 Vaillant plus 937 – GC 47-044-43 Vaillant plus 612 VU 126/3-5 (2005) – GC 41-044-44 Vaillant plus 612 VU 126/3-5 R1 (2005–2012) – GC 41-044-44 R1 Vaillant plus 615 VU 156/3-5 (2005) – GC 41-044-45 Vaillant plus 615 VU 156/3-5 R1 (2005–2012) – GC 41-044-45 R1 Vaillant plus 618 VU 186/3-5 (2005) – GC 41-044-46 Vaillant plus 618 VU 186/3-5 R1 (2005–2012) – GC 41-044-46 R1 Vaillant plus 624 VU 246/3-5 (2005–2010) – GC 41-044-47 Vaillant plus 624 VU 246/3-5 R1 (2012–Current) – GC 41-044-47 R1 Vaillant plus 630 VU 306/3-5 (2005–2010) – GC 41-044-48 Vaillant plus 630 VU 306/3-5 R1 (2012–Current) – GC 41-044-48 R1 Vaillant plus 637 VU 376/3-5 (2006–2010) – GC 41-044-49 Vaillant plus 637 VU 376/3-5 R1 (2012–Current) – GC 41-044-49 R1 Vaillant plus 824 (early models) – GC 47-044-31 Vaillant plus 824 (later models) – GC 47-044-40 Vaillant plus 824 R1 – GC 47-044-31 / 47-044-40 Vaillant plus 831 (early models) – GC 47-044-32 Vaillant plus 831 (later models) – GC 47-044-41 / 47-044-46 (P variants) Vaillant plus 831 R1 – GC 47-044-32 / 47-044-41 / 47-044-46 Vaillant plus 837 (early models) – GC 47-044-35 Vaillant plus 837 (later models) – GC 47-044-42 Vaillant plus 837 R1 – GC 47-044-35 / 47-044-42 Vaillant pro 24 (various revisions) – GC 47-044-36 (check data plate) Vaillant pro 28 (various revisions) – GC 47-044-30 (check data plate) Important: Compatibility can vary between boiler revisions. Please confirm the GC number on your boiler data plate and the part number on the existing sensor (0020059717 or superseded numbers) before purchase. If you are unsure, consult a qualified Gas Safe registered engineer. All boiler brand names, model names and GC numbers are used strictly for reference to indicate compatibility. This is an aftermarket replacement part supplied by Hanicks and is not manufactured or endorsed by Vaillant. Safety Warning Must be installed by a gas safe registered engineer. Legal Disclaimer Must be installed by a qualified gas safe registered engineer.