Tjernlund Products 950-1067 Timer and Relay Els PW 17895 Is a vent limiter required

Is a vent limiter required for this zero governor

technicians should use a digital manometer to verify manifold gas pressure and air pressure switch setpoints during the post-installation startup phase

The Fenwal 35-630501-003 is a microprocessor-based intermittent pilot ignition control designed for precise spark-to-pilot sequences in gas-fired atmospheric burners

2 HP at 230V

Tjernlund Products 950-1067 Timer and Relay Els PW 17895 Is a vent limiter requiredThe Tjernlund 950 1067 Timer and Relay is a specialized post purge control designed to maintain air flow after burner shutdown, effectively clearing combustion gases and preventing residual heat damage in side wall power venting systems. This adjustable 1 to 10 minute timer relay serves as a direct replacement for legacy models 950 1060 (24 VAC) and 950 1065 (115 VAC), offering flexible field integration for HST series side wall power venters,