Can I use an aftermarket 28-inch fan blade instead

though it is often wired into a control circuit that requires a manual reset at the boiler interface once a fault is detected

continuous flame adjustment for indirect fired applications

which protects internal synthetic components from brazing heat

This 24Vac coil switching relay features a Single Pole Double Throw (SPDT) configuration

Bray Commercial 70E060-113F3536/K Actuator 320788-702 Can I use an aftermarketThe Bray Commercial 70E060 113F3536 K is a genuine 24V electric actuator engineered to provide reliable quarter turn valve automation for commercial HVAC, industrial process control, and building automation systems. Delivering 600 in lb of torque with an approximate 60 second operating time, this actuator is designed for dependable modulation or on off valve control where accurate positioning and consistent performance are critical. As a direct OEM