All Heaters
PH23A and PH51W - Mini Temperature Controller - Voltage Drop - TB141001
Issue Date: Oct.29, 2014 (Revised March 18, 2020) Scope: PHP-23A and PHP-51W Heaters with Mini Controller Complaint: Heater will not attempt start-up in heat mode and will not run in vent mode. Resolution: It has been discovered that a batch of ...
All Fuel Fired Heaters - Combustion Issues - TB210202
Complaint: Heater will not start and provides a “No Start” fault code. Resolution: This is a guide to help technicians troubleshoot heater Combustion Issues. If the heater proceeds through a start up cycle but fails to establish a flame, runs ...
PHP Heater Serial Number - TB210401
Issue Date: April 1, 2021 Scope: All Heaters Complaint: Understanding the PHP Heater Serial Numbers can assist us with warranty processing, identifying manufac- turing dates and differentiating product versions. Resolution: The following chart ...