Raypak 007188F Pressure Switch 30067439-890 a cracked inducer hose

a cracked inducer hose

A faulty switch typically triggers a specific diagnostic flash code on the furnace control board (often 2 or 3 flashes)

including the AG (general close-off) and AH (high close-off) models in both 24V and 120V configurations

Built for precision in HVAC gas train assemblies

What does a 'slow-opening' valve do

Raypak 007188F Pressure Switch 30067439-890 a cracked inducer hoseThe Raypak 007188F Gas Pressure Switch is a critical safety component designed for high limit monitoring in Raypak commercial boilers and Hi Delta heaters. This genuine OEM replacement part is engineered to detect abnormal gas pressure conditions, immediately triggering an auto shut off to prevent hazardous operation or equipment damage. Built for precision in HVACR gas fired systems, the 007188F ensures the manifold pressure remains within calibrated