How to Replace a Dometic 300/310/320 Leaking Toilet Flush Ball Seal (gasket) in a Couple of Minutes

IMPORTANT – USE SILICONE GREASE ONLY – Vaseline or different petroleum merchandise ought to by no means be used on rubber or neoprene objects. It can deteriorate the rubber or neoprene very quickly. The appropriate lube to use is a silicone primarily based lubricant, which comes with or with out Teflon

Last yr I changed our plastic Dometic Toilet with a Dometic 310 Ceramic Toilet (Boy what an enchancment it’s from the plastic bathroom). In the video I discussed that I changed it a few months in the past, I assume time flew by faster than I believed as a result of I changed it a yr in the past 🙂 Here’s a hyperlink to that video to watch –

Anyway the bathroom water began leaking by the flush ball seal so no recent water would keep in the bowl. In the video you will notice me change the seal and examine the previous seal for harm and present you a couple issues that might have been the issue.

One of the methods is to ensure you lubricate the seal nicely with Plumbers Silicone Grease and ensure all of the surfaces are actually clear earlier than putting in the seal.

Note: Products I used and hyperlinks to them are offered beneath.

Check out my different YouTube videos by clicking this hyperlink –

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Below are hyperlinks to what I bought for this restore –

Dometic (385311658 Flush Ball Seal Kit –

(What I Used in Video) Silicone Grease (0.5oz) –

Here’s one other flush ball seal possibility for much less cash, I didn’t use this one so I do not understand how nicely it really works.
Dometic -Compatible Flush Ball Seal for 300/310 / 320 RV Toilets – Comparable to Parts Number 385311658 Kit – Ideal Replacement Gasket –

Durable Plastic RV Water Valve Assembly Camper Trailer Toilet Repair for 300 310 320series – for Sealand Pedal-flush Toilets RV –

(Another Option) Silicone Grease (8oz) I simply purchased this and its a lot thinner than the one I used in the video however you get extra for the greenback, it appears to be working –

FLOOR GASKET – DOMETIC (385311652 Mounting Hardware Kit –

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