Lochinvar & A.O. Smith 100277815 Connection Board R-134A preventing dry-fire conditions and protecting

preventing dry-fire conditions and protecting equipment from catastrophic failure

this 24V solenoid ensures consistent saturation of the humidifier pad

Whether you are performing a suction line pressure switch replacement or a routine system overhaul

Stick to the 3-blade FAN1567 to maintain factory performance specs

Lochinvar & A.O. Smith 100277815 Connection Board R-134A preventing dry-fire conditions and protectingThe Lochinvar & A. O. Smith 100277815 Connection Board is a critical low voltage interface designed for precise communication between the Smart System control and external HVAC components. As a veteran grade low voltage connection board, it serves as the central hub for integrating 0 10 VDC BMS inputs, building alarm contacts, and multi unit cascade sequencing. This OEM boiler control board is engineered to handle signal routing for pump delays,