Genuine Original JPC Air Switch, ZP1521U10 JPC NMC004922000 airswitch, JPC airswitch ZP1521U1 ZP1521U1O, zp1021u5, by jpcinternational.net, ZP1521U10, ZP1521U1O, JPCI, ZP1021U5, ZP152, ZP1521U, ZP1521, ZP172UU6, ultimheat.com, E246956, emc004922000

Genuine Original JPC Air Switch for Jacuzzi Pumps and Pumps with Emerson Motors 1/4"NPT Thread with Panel Retaining Nut ZP1521U1 JPC NMC004922000 Latching, snap action. SPNO.

Beware of substitutions, as the TBS switches are larger in size and require you to cut your pump enclosure box to fit in a different brand of switch. rated 16a 3/4hp 115v

ZP1521U1 is the same as ZP1521U10. JPC NMC004922000, UltimHeat, JPC Airswitch ZP1521U1 is a common switch for whirlpool bath tubs with Emerson pump, and Jacuzzi pump. Replaces ZP1021U5. Thread Outside Diameter approximately 0.51" . ZP1521U5, ZP1521U10 ZP1521U1O. Also replaces ZP1021U switches.
For 1/8" inside diameter vinyl tubing.

Air Switch ZP1521U1 Replacement for Jacuzzi bath pumps and Hydroair and Emerson JPCI Air Switch 1/4"NPT thread with panel mount nut. JPC International, this is the switch used by Crane plumbing, ITT Hydroair Magna pumps, Emerson pumps, Jacuzzi pumps, and many others. JPC airswitch. by jpcinternational.net, ZP172UU6 ZP1521U10 ZP1521U1O JPCI ZP1021U5 ZP152 ZP1521U ZP1521U10. Be aware that TBS310 and TBS 301 and other substitutes will NOT fit without modifying your pump. The ZP1521U1 has a smaller diameter and fits in a smaller hole that these other TBS switches. emc004922000

A UL Recognized Component, file # E246956