In What Year Did Valterra go From Old Style to New Style Waste Valves  

For a 3 inch waste valve, you'd want to use the Valterra #T1003-7VP kit. The #T1002-7VP kit is for 2 inch valves, and wouldn't work with your 3 inch valve.

Hi Robert; you could use the LaSalle Bristol Waste Valve #34466N11AA as a replacement but the handle will sit underneath the trailer right at the valve. Looking at the Grand Design parts site it looks like you have a 1-1/2" Valterra with a…

Hey Greg, welcome back! The Go Power Overlander Expansion Kit - 200 Watt Solar Panel item #34282182 includes the Overlander panel. It's a bit different than your current Go Power GP-PV-200M panel, however it is compatible. The solar panel…

Zinc plated screws are going to be the best option for use with aluminum to resist galvanic corrosion. This corrosion you are referring to is from two dissimilar metals reacting so you want to use the most similar metals when installing your E-track…

Hey Richard, welcome back! For your Curt QuickPin A-Frame Coupler #C84DR (25474) you can replace the standard pin with the Curt Hitch Lock #C23025. This is one of the locks Curt specifically recommends for the A-frame QuickPin coupler. If you prefer…

Thanks for the pictures of your lights! Based on that you'd want the part #328-003-19R for red lights that match what you have and #328-003-19A for amber. These ground through a white wire but you can run that white wire's ring terminal to…

The rubber bumpers on the head of a 5th wheel trailer hitch like the Pro Series 16k, #PS30096, are designed to prevent and/or limit contact between components on the hitch. You can install 2 more but really only 2 are needed. Adding 2 more can limit…

Hey David, it sounds like you know what you're doing but I've also gone ahead and found the wiring diagram for the Replacement Single Zone Thermostat for Dometic RV Air Conditioners #DMC79FR for you to check out so you can use it as a cross…

Hey Silas, starting in 2000 did Valterra move from the old style valve to the new style. So that means for your 2020 Montana High Country the correct seal kit would be the part #T1003-9VP as you for sure have the new style.