refer to the 7200 series intermittent pilot models

but you should verify the specific draft blower motor part number in the manufacturer's parts list for your chassis

The 4-20mA signal is loop-powered

but it requires a bulb well (such as the WEL14A series) to protect the sensing element and allow for removal without draining the system tank

improving system COP

Lennox 48M39 Stand Off Kit R-407A refer to the 7200 seriesAs a technician, you know that maintaining precise clearance is non negotiable for system reliability. The Lennox 48M39 Stand Off Kit is a genuine OEM component engineered to provide essential spacing, specifically for mounting HVAC pressure switches and critical sensors within the cabinet. This kit (often cross referenced as LB 101753A) ensures that components are positioned correctly to prevent interference and maintain accurate pressure readings,