With the HCFC phase-out limiting production

If your heater shows a blank display

This SPDT Pressure Switch (Single Pole Double Throw) functions as a direct OEM replacement part for the now-obsolete PRS3406

This black universal model replaces the legacy blue and red variants

Common Questions What happens if I use a transformer with a lower VA rating

Watts 0379114 Strainer 320074-702 With the HCFC phase-out limitingThe Watts 0379114 is a professional grade 1 1 4" LF777SI lead free brass wye pattern strainer designed for high performance filtration in mechanical piping systems. Built with a cast copper silicon alloy body, this wye strainer provides superior protection for downstream components such as meters, pumps, and control valves by intercepting dirt, rust, and scale. The 45 degree wye pattern architecture ensures efficient fluid flow through the 20 mesh