Table 1. T-3111 Integral Thermostat Code Number Description T-3111-1 Direct Acting, External Set Point, Bulb Element T-3111-3 Direct Acting, External Set Point Averaging Element T-3111-6 Direct Acting, Concealed Set Point, Averaging Element T-3111-2 Reverse Acting, External Set Point, Bulb Element Table 2. T-3111 Accessories and Maintenance Parts Code Number Callout Description T-3100-6005 A Supply Inlet Filter (Order in Multiples of 50) R-3710-3107 B Restrictor Tee T-4002-600 C Control Port T-275-6002 D Element Assembly Remote “B” Bulb V-3000-6000 E Diaphragm (Package of 2) T-271-6000 F Knob (Package of 2) T-275-100 --- “B” Bulb Holder T-275-101 --- Averaging Element Holder Figure 1. T3111 Accessories and Maintenance Parts