Hydro-Quip 4.0kW M7 Flo Thru Heater [PS-B Series] [15"x 2"] [230V] [60" Cord] (48-PS40-B) terminals An internal air bellow helps

An internal air bellow helps transfer pneumatic pressure within a compatible air-button assembly

10 foot lead

and this Borg General Controls Diehl Timer is designed for compatible 120V SPDT 15A applications where the original timer has failed or become unreliable

0 horsepower pump is built to deliver that level of output with steady performance

Hydro-Quip 4.0kW M7 Flo Thru Heater [PS-B Series] [15"x 2"] [230V] [60" Cord] (48-PS40-B) terminals An internal air bellow helpsThe Hydro Quip 4. 0 kW M7 Flo Thru heater is designed for compatible PS B Series applications where a longer cord 230 volt heater is required. A heater like this is useful because it provides direct in line heating while giving the installer the extra cord reach needed in supported equipment layouts. This version is especially useful when the replacement calls for the 15 inch by 2 inch M7 heater platform and a 60 inch cord rather than a shorter lead.