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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
This wheel is specified for CW (Clockwise) rotation when viewing the hub side
and refrigeration racks
As a direct successor to legacy part numbers HH79NZ016 and HH79NZ014
reduced airflow
a critical factor when handling high-pressure refrigerants like R410A
Lochinvar & A.O. Smith 100170643 Board 318973-401 This wheel is specified forThe Lochinvar & A. O. Smith 100170643 Thermostat Control Board is a critical OEM replacement part engineered for high efficiency CB 045 260 hydronic boilers. As a dual stage integrated boiler control, this module manages complex heating cycles by monitoring real time system activity and adjusting firing rates to meet precise demand. It features a broad max setpoint range of 150F to 200F and a reliable min setpoint range of 110F to 140F, ensuring