Comparison : |
Item # 484-04-88, Guru® DL 2.1 Type-CH and 35 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve Item # 485-04-88, Guru® DL 2.1 Type-CHS and 35 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve Item # 484-04-84, Guru® DL 2.1 Type-CH and 40 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve Item # 485-04-87, Guru® DL 2.1 Type-CHS and 40 Degree Fahrenheit (ºF) Temperature Locomotive Freeze Protection Thermostatic Valve
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