Belimo “Back-Flap” Actuator BFN24Y-S24/150 FRL
For use in most models of P4 pellet boiler range.
Over time the return spring can become weakened. This coupled with sooty deposits on the slide damper can cause it to become stuck, producing an error when there is no real obstruction preventing the valve from shutting.
This is the latest actuator as supplied by Froling complete with correct connections to plug straight into motherboard without any wiring up. This actuator is an advancement over the older LF24-SR actuator fitted to some boilers.