PENN Controls Products Catalog

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A19 Series Remote Bulb Control Description The A19 Series Controls are single-stage temperature controls that incorporate environmentally friendly liquid-filled sensing elements. Refer to the A19 Series Hot Water Heating Controls Well Immersion Product Bulletin (LIT-125025) for important product application information. Features • wide temperature ranges available • constant differential throughout the entire range • compact enclosure • fixed or adjustable differential available • variety of sensing element styles • unaffected by cross-ambient conditions Applications The A19 is suitable for temperature control in HVAC/ R applications. Figure 2: A19 Series terminal arrangement for Single-Pole, Double-Throw (SPDT) Selection charts Specify the control model code number, packing nut code number (if required), and bulb well code number (if required). Table 6: A19 Series Remote Bulb Control selection chart Product code number Switch action Range °F (°C) Differential F° (C°) Bulb and capillary Bulb well no. (order separately) Range adjuster Max. bulb temp. °F (°C) Adjustable Differential (wide range) A19ABA-40C 1 Single-Pole, Single-Throw (SPST) open low -30 to 100 (-34 to 38) 3 to 12 (1.7 to 6.7) 3/8 in. x 4 in. 6 ft. capillary WEL14A-602R Screwdriver slot 140 (60) 14

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