Sensus-Gas Division

Sensus/Rockwell® Orifice # 143-16-023-04; 3/8" Orifice for 243 Series; Installation Manual included; Backed by One Year Warranty.

Sensus/Rockwell Regulator # 243-8-2; 2" Standard, 1/2" Orifice, 2-4.25# Spring 10'  243-8-2 is identical to 243-8-1-2 FurnacePartSource.com Commitment Always Brand-New Genuine...

Sensus/Rockwell BLACK SPRING FOR 143, 2-6 PSI

1"IRV,3/8"ORIF.GREEN 6-14"WC; ***This item is not eligible for the $12.50 shipping special***; Backed by a One Year Warranty.

2"HP 1"Orf 3-6.5# Sprg 30'; Comes with Installation Manual and Technical Sheet; One Year Manufacturer Warranty. ***Does not qualify for the $12.50/2 Days or Less Shipping option***

3/16" Orifice for Model 143 Regulators

Sensus/Rockwell/Equimeter Gas Regulator Part #143-IRV-HP-3/4   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No...

Sensus/Rockwell/Equimeter Green Regulator Spring Part #143-62-021-17; Green Regulator Spring 6-14"WC   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business...

Sporlan Controls 904075 1 1/8"ODF 0/75 Reg Valve FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...