TJERNLUND PS1505 FAN PROVING SWITCH WITH INSTRUCTIONS, FITTINGS NEW OLD STOCK

Description

Tjernlund PS1505 Fan Prover Switch with instructions and fittings. New old stock in original opened box. One of the mounting tabs is bent some as shown in one of the photos and can be bent back to mount control.
The Tjernlund Fan Prover has bee designed to monitor the pressure within the fan housing only. A motor or wheel failure will decrease housing pressure and actuate the pressure switch thus preventing combustion.
Control should be installed by a qualified HVAC technician. Listing is intended for those in the HVAC business.
This item has been on the wholesale's shelf stock awhile and is fully guaranteed not to be DOA and for 30 days after buyer receives.
Free shipping via Priority (expedited) Mail. All orders are shipped the same or next day on receipt of payment and are packaged with great care.
Please email any questions and thank you for your interest.