Adelaide Series Toilet Repair Parts

by Caroma

With its distinctive look and water-saving performance, the Adelaide series by Caroma is the perfect complement to modern bathrooms. Whether you're looking for a new seal for your outlet valve or need to replace a worn-out flush button assembly, we've got the parts you need to fix your Adelaide toilet and get it working like new again.

Replacement Parts for Caroma Adelaide Cube Toilets
Two-Piece Model - Tank #814790

Parts diagram for Adelaide toilets
Item # Part # Description Price & Quantity
1 687144 Quietflow 2 Fill Valve (aka Inlet Valve) $31.42 Enter a quantity and
2 687040 Fill Valve Repair Kit for Quietflow 2 Valve $18.72
218005 Fill Valve Repair Kit for Original Quietflow Valve $22.13 Enter a quantity and
3 750293 M5 Series Flush Valve Currently Unavailable Enter a quantity and
4 750017 Flush Valve Seal $6.05 Enter a quantity and
405006 Old Style Flush Valve Seal - for old square style flush valve $9.88 Enter a quantity and
5 687205 Flush Valve Gasket $8.21 Enter a quantity and
6 415026C Flush Button and Bezel Kit - Chrome $14.94 Enter a quantity and
7 687240 Tank to Bowl Mounting Kit $11.75 Enter a quantity and
8 687214 Tank to Bowl Foam Seal $11.70 Enter a quantity and
9 687256 Plug/Washer/Nut Pack $4.79 Enter a quantity and
10 813306 Adelaide Round Front Toilet Seat (6-7/8" bolt spread) Discontinued
If replacing an older square-style flush valve with one of the new M5 series valves, you may also need to order a new flush button kit to accommodate the height difference between these valves.

Replacement Parts for Caroma Adelaide Toilets
Standard Two-Piece Model - Tank #814328

Parts diagram for Adelaide toilets
Item # Part # Description Price & Quantity
1 687144 Quietflow 2 Fill Valve (aka Inlet Valve) $31.42 Enter a quantity and
2 687040 Fill Valve Repair Kit for Quietflow 2 Valve $18.72
218005 Fill Valve Repair Kit for Original Quietflow Valve $22.13 Enter a quantity and
3 750292 M5 Series Flush Valve $33.88 Enter a quantity and
4 750017 Flush Valve Seal $6.05 Enter a quantity and
405006 Old Style Flush Valve Seal - for older square style flush valve $9.88 Enter a quantity and
5 687205 Flush Valve Gasket $8.21 Enter a quantity and
6 415026C Flush Button and Bezel Kit - Chrome $14.94 Enter a quantity and
7 687240 Tank to Bowl Bolt Mounting Kit $11.75 Enter a quantity and
8 687214 Tank to Bowl Foam Seal $11.70 Enter a quantity and
9 687256 Plug/Washer/Nut Pack $4.79 Enter a quantity and
10 813306 Adelaide Round Front Toilet Seat (6-7/8" bolt spread) Discontinued
If replacing an older square-style flush valve with one of the new M5 series valves, you may also need to order a new flush button kit to accommodate the height difference between these valves.

Related Items & Information

Frequently Asked Questions

Q. "How are Caroma washdown toilets different from other toilets?"
A. According to the manufacturer, "North American toilets most commonly utilize siphon jet technology. Most of the water in the tank is used to create a vacuum or siphon effect in the trapway of the toilet bowl, which then pulls the waste out after the water. In the past, several North American toilets have been subject to clogging due to the lower volumes of water used in ultra low flow toilets. The trapways of the bowls had to be reduced to allow the vacuum to be created.

Washdown toilets do not use this flushing mechanism. When flushed, the water is released very quickly from the tank and into the bowl through an open rim bowl design. The water very effectively and efficiently pushes the waste out of the bowl, which is then followed by the water. The flush is fast and allows for superior movement down the sewage drains, as the water is following the waste. Because washdown toilets do not rely on creating a siphon effect in the trapway, the size of the trapway does not have to be reduced. Caroma toilets feature a massive 4 inch trapway!"

Q. "I just purchased a replacement M5 Series Flush Valve but the two push buttons on my tank lid will not reach the two tabs on the flush valve to activate the toilet to flush. What do I do?"
A. The blue tabs on the M5 series flush valves can be adjusted up or down. In order to raise the blue tabs, use a phillps head screwdriver and place it into the round holes found at the top of the blue tabs. Turning the adjustment screw counterclockwise will raise the tabs and turning the screw clockwise will lower the tabs. Be sure not to adjust the tabs too high because you may find when you put the tank lid on there will be water leaking from the tank into the bowl. This would be due to the outlet valve being slightly activated by the buttons pushing down onto the blue tabs. You would like about 1/8" of play before the buttons activate the flush.

image of push buttons on tank lid and adjustment screw location under blue tabs of flush valve

Q. "What is the difference between the Caroma 270 and 305 bowls? Does this matter when I'm looking for repair parts?"
A. The main difference between these two bowl styles is the size of the rough-in - either 10"-12" adjustable for the 270 bowl or 12" for the 305 bowl. This offers people options for toilet installation, and is not usually pertinent to typical repairs like changing the flush valve seal or installing a new push button mechanism. If you're looking for a new toilet seat, you will need to know whether your bowl is round or elongated, but both the 270 and 305 models come in round or elongated so it is important to measure to make sure you're getting the right size. To find common repair parts, such as fill valves, flush valves, gaskets, etc. refer to the model number of your tank to help you find the right parts.

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Toilet Repair Information & FAQs

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