By purchasing this item you agree to this agreement: Universaligniters.com. sells products that require professional installation. Buyer(s) acknowledge that they are responsible to enlist the services of trained service professionals in the service and repair of heating appliances. Repair parts sold by Universaligniters.com may require specialized tools and/or procedures for safe and reliable operation of the effected systems. Buyer(s) specifically hold Universaligniters.com harmless for injury, property damage, or other losses associated with the use of items purchased from Universaligniters.com It is not the intention of Unniversaligniters.com to encourage the servicing of HVAC appliances by untrained personnel, rather to allow the public to purchase the necessary parts directly for use by trained and/or licensed professionals.