Tjernlund 950-0029 Vent System Fan ProverThe Tjernlund 950 0029 Vent System Fan Prover is a new style fan proving switch designed for SS 2 units. It brings a compact, reliable control solution to modern vent systems, featuring an internal junction box mount for straightforward wiring and a clean installation. Built for durable performance, this fan prover switch ensures safe, automatic operation of the vent system. It is designed for use with SS 2 installations and pairs seamlessly with

a TrueZONE Damper

installer-friendly installation with standard fittings

It adheres to the ULC standard and supports tanks with a depth of 37 inches and openings from 1-1/2 to 2 inches

This durable blower motor uses a Permanent Split Capacitor design for steady performance in HVAC and blower applications

48 A @ 240 V (locked rotor)

DPDT configuration (double pole double throw) for versatile switching

Automatic fill valve for boiler systems

UL and CSA approvals ensure safe integration with your safety systems

Battery power or 24V hardwire power options

Built for durable indoor use

and system verification

offering flexible damper control in commercial and residential projects