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The 5-second Trial for Ignition is the window the control allows for the flame to be sensed after the gas valve opens
Is this compatible with the older HE Series 1 and Series 2 units
How do I test if my Raypak 011760F is functioning
You must purchase or provide a compatible Gold Ring coil separately
Carrier HH18HA170 Limit Switch 319825-402 The 5-second Trial for IgnitionThe Carrier HH18HA170 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC furnaces. This genuine OEM replacement part features an L170 40F specification, meaning it is calibrated to open the electrical circuit when the internal temperature reaches 170F and automatically reset once the temperature drops by 40F (resetting at 130F). Engineered for high limit protection, this switch
