Ritherdon Replacement Locks are designed to replace damaged or broken locks on Ritherdon Meter Box Repair Door and Frame units and Ritherdon Meter Boxes. The lock that will fit on your Ritherdon product may depend on its age as some of the designs have been updated.

A summary of the locks used on the new and old models can be found in the tables below. For a more detailed guide on how to select a lock, please see our lock selection guide:

Lock Selection Table - Gas Meter Installations

Gas Model	Current Model Lock Type	Old Model Lock Type (Pre 2018)
R7 G ED	Slam Cam	SLK20 Slam Lock
R10G - All Sizes	Slam Cam	SLK12 Slam Lock
R18G	Slam Cam	SLK12 Slam Lock
R21G	2 x Slam Cam	2 x MCAM01
R22G	Slam Cam	SLK12 Slam Lock
R23G	MCAM01	MCAM01
R28G	Slam Cam	SLK12 Slam Lock

R24H Lid	MCAM03	MCAM03
R24H Door & Frame	MCAM03	MCAM03
R24M Lid	MCAM03	MCAM03
R24M Door & Frame	MCAM03	MCAM03
R24M Tall	MCAM03	MCAM03

Lock Selection Table - Electric Meter Installations

Electric Model	Current Lock Type	Old Lock Type (Pre-2018)
R7 E ED	Slam Cam	SLK20 Slam Lock
R7E Slimline	Slam Cam	SLK20 Slam Lock
R10E - All Sizes	Slam Cam	SLK12 Slam Lock
R17E Small	Slam Cam	SLK12 Slam Lock
R17E Medium	Slam Cam	SLK12 Slam Lock
R17E Large	2 x Slam Cam	2 x MCAM02
R18E	Slam Cam	SLK12 Slam Lock
R18E Slimline	2 x Slam Cam	2 x MCAM02
R20E	2 x MCAM01	2 x MCAM01
R26E	SLK12 Slam Lock	SLK12 Slam Lock
R27E	2 x MCAM02	2 x MCAM02
R28E	Slam Cam	SLK12 Slam Lock
Universal Overbox	2 x MCAM01	2 x MCAM01

R3 - All Sizes	SLK12 Slam Lock	SLK12 Slam Lock
R5 - All Sizes	SLK12 Slam Lock	SLK12 Slam Lock
R16	SLK20 Slam Lock	SLK20 Slam Lock

Replacement Keys

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