Temperature and pressure gauges allow you to monitor fluid conditions in your heating system. SupplyHouse offers several options, including the TD-090 & TD-165 from Honeywell, 510-218-097 & 510-218-099 from Weil-McLain, and TR25-CB1-60/250 & TW25-CB2-250-25 from Boshart. Most of these part have 1/4” male threaded connections and can be installed with properly-sized tees and bushings.
