Hydro-Thermal > Customer Service > Field Service Request Form Field Service Request Form Field Service Request Form Do you want one of our service technicians to visit your facility and evaluate your heater? Please fill out the service request form below. Heater serial number (this will be located on the body of the heater, not the actuator): Please explain your heater or system issues as specific as possible to help us better assist you. Name Company Name Email Address Phone Number Address By checking this box, I agree to receive emails about promotions, new products, or company updates from Hydro-Thermal Corporation and its microsites. Thank you for your submittal. A sales representative will contact you within one business day. * Indicates field is required.