Check the listing for details. Upgraded 2X For Dometic Pedal Flush Toilet Water Valve RV #385311641 300 310 320. Condition: New. Listed at 15.49 USD. Product Description: For Sealand marine toilet replacement parts - pedal-flush Toilets RV Vacu-flush - rv toilet repair camper vacuflush Durable Plastic Water Valve kit 385311641 For water valve on 300 310 320 series pedal-flush Toilets Also can works on RV Camper Vacu-flush 60 days money back guarantee,No question asked! - Doesn't fit your RV ? msg seller to get full REFUND! Package Include: 2 x Water Valve Kit Instruction: How to Replace the water Valve Kit? Step 1: Turn Off the water supply, Step 2: Disconnect The water Supply line from the water valve, Step 3: Press the Flush Pedal to Drain Water From The toilet Bowl, Step 4: Disconnect water Line to Vacuum Breaker, Step 5: Press Top and Possibly Bottom Latches at the same time to Release, Then Pull water valve out of housing, Step 6: Push New water valve into place Until latches Engage. If necesary use supplied fasteners to secure water valve, Step 7: Connect water Line to Vacuum Breaker, with the Supplied Clamp, Step 8: Connect water supply line to water valve, Step 9: Turn on Water Supply to Toilet. Flush several times to check for leaks