Orifices used to derate the fireplace; to be used in higher elevation projects

SIT Derating Orifice - LP for 30" - 1.6 | DR30LP

Derating Orifices

SIT Derating Orifice – LP for 30″ – 1.6 | DR30LP

$14.00
SIT Derating Orifice - NG for 70" - 4.1 | DR70NG

Derating Orifices

SIT Derating Orifice – NG for 70″ – 4.1 | DR70NG

$14.00
SIT Derating Orifice - NG for 50" - 3.5 | DR50NG

Derating Orifices

SIT Derating Orifice – NG for 50″ – 3.5 | DR50NG

$14.00
SIT Derating Orifice - NG for 60" - 3.8 | DR60NG

Derating Orifices

SIT Derating Orifice – NG for 60″ – 3.8 | DR60NG

$14.00
SIT Derating Orifice - NG for 45" - 3.2 | DR45NG

Derating Orifices

SIT Derating Orifice – NG for 45″ – 3.2 | DR45NG

$14.00
SIT Derating Orifice - NG for 80" - 4.5 | DR80NG

Derating Orifices

SIT Derating Orifice – NG for 80″ – 4.5 | DR80NG

$14.00
SIT Derating Orifice - LP for 45" - 1.9 | DR45LP

Derating Orifices

SIT Derating Orifice – LP for 45″ – 1.9 | DR45LP

$14.00
SIT Derating Orifice - NG for 100" - 4.7 | DR10NG

Derating Orifices

SIT Derating Orifice – NG for 100″ – 4.7 | DR10NG

$14.00
Honeywell Conversion Kit Derating 30K | HWDR30

Derating Orifices

Honeywell Conversion Kit Derating 30K | HWDR30

$15.00
SIT Conversion Kit Derating 30K | SITDR30

Derating Orifices

SIT Conversion Kit Derating 30K | SITDR30

$14.00
SIT Derating Orifice - LP for 100" - 2.9 | DR10LP

Derating Orifices

SIT Derating Orifice – LP for 100″ – 2.9 | DR10LP

$14.00
SIT Derating Orifice - LP for 80" - 2.7 | DR80LP

Derating Orifices

SIT Derating Orifice – LP for 80″ – 2.7 | DR80LP

$14.00