Response to Hello Phil and thank you for your question. Per Hayward's instruction manual, if 24VAC is not present, gas valve relay on control module is defective. Replace control module. Feel free to consult Hayward directly at 888-429-9273 to confirm. The Hayward online manual for your H250 Heater can be reached with this link. If there is anything else I can assist with, please e-mail me back. Thank you, Alan.

An image is worth 1,000 words! Add an image or two to your comment to help ensure it is understood accurately.



Yes, please email me exclusive discounts, swimming pool tips and helpful how to guides. This comment may be posted on a public site. Do not include: HTML, references to other retailers, pricing, personal information, or any profane, inflammatory language.