Replacing with a genuine Reznor pressure switch ensures the safety circuit functions within original design parameters

What type of seals does this valve use

Manual Override Capability: The tactical Auto/Manual switch ensures system functionality can be maintained or tested without requiring active electrical signals

Direct Fit Compatibility: Seamlessly replaces Bard 8109 series components without field modifications

Universal Mounting: Dual-purpose design supports installation with or without a standard horizontal junction box

Carrier HH18HV110 Limit Switch 323269-701 Replacing with a genuine ReznorThe Carrier HH18HV110 is a high precision HVAC temperature limit switch designed for critical thermal protection in heating applications. This SPDT limit switch operates on an automatic reset logic, featuring a specific temperature range: it is engineered to open at 110F and close at 90F. As a genuine OEM Carrier part, the HH18HV110 ensures exact electrical matching for furnace and air handler control circuits, effectively preventing heat exchanger