We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Acorn

Acorn 2563-004-001 Diaphragm Assembly Ethylene Propylene trap

SKU CH-PKN1-8NKBT MPN 2563-004-001

Ethylene propylene diaphragm assembly replaces worn toilet trap seals for reliable drainage

  • TypeDrain Components
  • Ethylene propylene diaphragm resists chemical wear in toilet flush systems
  • Acorn Controls 2563-004-001 built for reliable drain component performance
  • New diaphragm assembly installs directly into compatible toilet trap mechanisms
  • Part number 2563-004-001 ensures exact fit for specified plumbing repairs
  • Supplied as a single unit for straightforward replacement and maintenance

Diaphragm Assembly for Toilets

The Acorn 2563-004-001 diaphragm assembly is a replacement component designed for toilet flush valve systems. It uses ethylene propylene material to resist degradation from chlorinated water supplies. Plumbers and facility managers install this part to restore reliable flushing performance in commercial or residential fixtures. The component fits specific Acorn Controls valve bodies requiring this exact model number.

Sustained Seal Performance

Ethylene propylene rubber maintains its elasticity and sealing force over long periods of continuous immersion. The material resists permanent compression set that causes lesser elastomers to leak after months of static pressure. Chemical resistance to chlorine and chloramine prevents the cracking and hardening that leads to ghost flushing or constant water loss. This durability reduces the frequency of service calls for high-traffic restrooms.

Material and Fit Constraints

The ethylene propylene compound is not compatible with petroleum-based lubricants or hydrocarbon solvents encountered in some maintenance routines. Installers must verify the exact valve model compatibility before purchase because the 2563-004-001 dimensions are specific to one Acorn Controls design. No universal sizing standard exists for diaphragm assemblies across different manufacturers or product lines.

Highlights

  • Ethylene propylene diaphragm resists chemical wear in toilet flush systems
  • Acorn Controls 2563-004-001 built for reliable drain component performance
  • New diaphragm assembly installs directly into compatible toilet trap mechanisms
  • Part number 2563-004-001 ensures exact fit for specified plumbing repairs
  • Supplied as a single unit for straightforward replacement and maintenance

Specifications

TypeDrain Components
BrandAcorn
Model2563-004-001

Questions about this item

Does the Acorn 2563-004-001 diaphragm assembly generate noise or heat during continuous toilet operation?

The diaphragm assembly is a passive internal component with no moving parts that produce noise or heat during normal toilet flushing cycles.

What existing toilet components must be compatible for the Acorn 2563-004-001 diaphragm assembly to function?

The assembly fits inside compatible Acorn flush valve bodies; the existing valve body, handle mechanism and supply connection must match the original design.

Will the ethylene propylene diaphragm in the Acorn 2563-004-001 work reliably with older flush valve seats and seals?

Ethylene propylene resists chlorinated water and aging, so it seals effectively against older brass or plastic valve seats that are still in serviceable condition.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.