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For technicians troubleshooting a stuck valve or a "no heat" call
essential main burner orifices
This kit prevents acidic condensate from damaging residential plumbing systems and local septic infrastructure by raising the pH level of the discharge before it enters the drain
including the 250
As a direct-match OEM York replacement part
Sensus 143-IRV-1 1/4 Regulator 30067439-890 For technicians troubleshooting a stuckThe Sensus 143 80 2 Internal Relief Valve (IRV) Regulator is a specialized solution for residential and light commercial natural gas applications requiring precise pressure control. This model features a 1 1 4" NPT pipe size and a high performance 3 8" orifice, engineered to handle significant flow capacities while maintaining a stable outlet pressure. Equipped with a Green Spring, the unit is calibrated for an adjustable outlet range of 6 to 14
US$ 32.50
US$ 110.00