Honeywell TP971A TP971B Pneumatic Thermostat


TP971A2183NEW DA Day 13 Nite 18 with beige cover$228.18
TP971A2102NEW Day-Nite Modernization Kit DA 2 Pipe w/Cover$354.37
TP971A2086NEW Day-Nite 60-90F 20-25psi stat only$271.22
TP971A2052NEW Day-Nite DA 15-30C stat only$212.01
TP971A2029NEW Direct Acting D/N 60-90F 16-21 psi No Cover$271.99
TP971B2019NEW Reverse Acting D/N 60 to 90F 16/21 psi No Cov$261.72
TP971B2001NEW Reverse Acting, D/N, 13/18 psi No Cover$261.72
TP971B2043NEW Reverse Acting D/N 60-90F 20/25 psi No Cover$272.17
TP971A2011NEW Direct Acting, D/N, 15 to 30C,13/18 psi No Cov$271.26
TP971A2003NEW Direct Acting, D/N, 13-18 psi No Cover$291.35


The TP971A / B Thermostat is 2 temperature, pilot bleed, 2 pipe for DAY/NITE operation, with automatic switchover for mainline pressure. The set point range is 60 to 90F Day and 50 to 75F Night or 15 to 30C and 12 to 24C D/N. The TP971A models are Direct Acting DA and the TP971B models are Reverse Acting RA. New or recycled covers are sold separately.

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