Maxitrol PF10 Fitting or a blocked flue

or a blocked flue

If the switch trips and won't reset

this assembly is a direct replacement for Star 2V-70281

it provides the precise calibration required for veteran technicians to restore factory-spec safety protocols in residential and light industrial furnaces

Whether troubleshooting a boiler that won't fire due to an open safety circuit or performing a scheduled draft test

Maxitrol PF10 Fitting or a blocked flueThe Maxitrol PF10 is a specialized 1 8" NPT pressure tap fitting engineered for contractors who require precision when monitoring inlet and outlet pressures on gas regulators and control systems. This brass pressure tap connector functions as a high performance hose fitting with a built in captured sealing mechanism, effectively removing the need for auxiliary barb fittings during field testing. Built for durability in demanding mechanical