Honeywell Water Heater Gas Valve Control Knob | WV8840B1110 | WV8840B1158 Used. Tested. Works Perfect. |  Shipping  | Your order will be shipped by USPS First Class with Tracking Number. |  Payment and Returns  | We accept payment only through Pricetronic Payments . You can return Honeywell Water Heater Gas Valve Control Knob | WV8840B1110 | WV8840B1158 within 30 Days after receiving. You must, contact us before opening any return requests/cases. | Disclaimer | We do not provide installation instructions for parts. You must contact professional technicians for installation. _________________________________