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Connecting to firmus energy

Choosing your natural gas meter box

Surface mounted

This is the most commonly used meter box type. The back plate is screwed to the wall with the meter attached to it and the cover is then fitted over the top. An inspection door makes it easy for meter reading and provides access to the emergency control valve.
The overall dimensions are:
Height: 495mm, Depth: 238mm, Width: 400mm.
Image: surface mounted natural gas meter box

Recessed

This box is designed to be built into the external leaf of conventional or timber framed houses with a similar wall thickness and cavity dimension. The box must not be punctured in any way and electrical bonding equipment must not enter or be attached to any pipes or components within the meter box.
The overall dimensions are:
Height: 580mm, Overall depth: 210mm, Depth when installed: 70mm, Width: 410mm.
Image: Recessed natural gas meter box
*Customers are required to have their own recessed meter box installed prior to meter installation.

Multi Box

This meter box is normally mounted on the ground and then screwed to the external wall. The box is finished in brown to suit most traditional brick finishes.
The overall dimensions are:
Height: 500mm, Depth: 270mm, Width: 370mm.
Image: Multibox Broucher meter box
*Not suitable for Prepay

Internal meter

All internal meters can only be used if the mains are low pressure. All internal meters must be sited by a firmus energy engineer before these can be used.
Image: Internal natural gas meter box
*Only where meter cannot be sited outside.

Please Note: Meter boxes are subject to design changes to comply with gas industry standards.

Surface mounted

This is the most commonly used meter box type. The back plate is screwed to the wall with the meter attached to it and the cover is then fitted over the top. An inspection door makes it easy for meter reading and provides access to the emergency control valve.
The overall dimensions are:
Height: 495mm, Depth: 238mm, Width: 400mm.
Image: surface mounted natural gas meter box

Recessed

This box is designed to be built into the external leaf of conventional or timber framed houses with a similar wall thickness and cavity dimension. The box must not be punctured in any way and electrical bonding equipment must not enter or be attached to any pipes or components within the meter box.
The overall dimensions are:
Height: 580mm, Overall depth: 210mm, Depth when installed: 70mm, Width: 410mm.
Image: Recessed natural gas meter box
*Customers are required to have their own recessed meter box installed prior to meter installation.

Multi Box

This meter box is normally mounted on the ground and then screwed to the external wall. The box is finished in brown to suit most traditional brick finishes.
The overall dimensions are:
Height: 500mm, Depth: 270mm, Width: 370mm.
Image: Multibox Broucher meter box
*Not suitable for Prepay

Internal meter

All internal meters can only be used if the mains are low pressure. All internal meters must be sited by a firmus energy engineer before these can be used.
Image: Internal natural gas meter box
*Only where meter cannot be sited outside.

Please Note: Meter boxes are subject to design changes to comply with gas industry standards.


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The response time for reply to your query is 24 hours (Excluding weekends and Bank Holidays).
If you have an Urgent Query, please contact our customer services team on: 0330 024 9000

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What kind of business are you?

or
Why am I having to do this?

To give you the most accurate information for your town and county, please enter your postcode below.

How do you pay for your natural gas?

By Credit

Do you receive a monthly bill for your energy usage?

Yes
or

With a Pay as You Go card

Do you purchase a top-up card for your energy?

Yes

What kind of business are you?

Small or Medium Business

Small businesses spend about £2,600 or less per bill. Medium businesses spend about £35,000 or less per bill.

or

Large Business


Large businesses spend about £250,000 or less per bill

Make sure you have your bank details and SMP or meter serial number ready

Bank details

All we need is your account number and sort code *

&

SMP Number

This is the number usually at the top right of your bill or on your connection paperwork

Okay, I have them

If your account requires 2 signatures, or you are not the bank account holder, please call us first on 0330 024 9000
If you don’t have this number, call our switch team on 0330 024 9000